[1] : The Collaborative International Dictionary of English v.0.48

certify \cer"tify\, v. t. imp.  p. p. certified; p. pr. 
   vb. n. certifying. f. certifier, ll. certificare; l.
   certus certain + facere to make. see certain, and cf.
   certificate, v. t.
   1. to give cetain information to; to assure; to make certain.
      1913 webster

            we certify the king, that . . . thou shalt have no
            portion on this side the river.       --ezra iv. 16.
      1913 webster

   2. to give certain information of; to make certain, as a
      fact; to verify. --hammond.
      1913 webster

            the industry of science at once certifies and
            greatly extends our knowledge of the vastness of the
            creation.                             --i. taylor.
      1913 webster

   3. to testify to in writing; to make a declaration
      concerning, in writing, under hand, or hand and seal.
      1913 webster

            the judges shall certify their opinion to the
            chancellor, and upon such certificate the decree is
            usually founded.                      --blackstone.
      1913 webster

   certified check, a bank check, the validity of which is
      certified by the bank on which it is drawn.
      1913 webster
see also:
certified certifying certain certificate certified check 

[2] : The Collaborative International Dictionary of English v.0.48

certified \certified\ adj.
   1. endorsed authoritatively as having met certain
      requirements; guranteed; as, certified milk; certified
      mail; a certified check. opposite of uncertified.
      narrower terms: certificated, credentialed, documented;
      guaranteed see also certifiable.
      wordnet 1.5

   2. legally insane according to clinical criteria.

   syn: certifiable.
        wordnet 1.5 +pjc

   3. holding appropriate documentation and officially on record
      as qualified to perform a specified function or practice a
      specified skill.

   syn: qualified.
        wordnet 1.5
see also:
uncertified certificated, credentialed, documented guaranteed certifiable 

[3] : WordNet (r) 2.0

certified
     see certify
see also:
certify 

[4] : WordNet (r) 2.0

certify
     v 1: provide evidence for; stand as proof of; show by one's
          behavior, attitude, or external attributes; "his high
          fever attested to his illness"; "the buildings in rome
          manifest a high level of architectural sophistication";
          "this decision demonstrates his sense of fairness" syn:
           attest, manifest, demonstrate, evidence
     2: guarantee payment on; of checks
     3: authorize officially; "i am licensed to practice law in this
        state" syn: license, licence ant: decertify
     4: guarantee as meeting a certain standard; "certified grade
        aaa meat" syn: endorse, indorse
     5: declare legally insane
     also: certified
see also:
attest manifest demonstrate evidence license licence 
decertify endorse indorse certified 

[5] : WordNet (r) 2.0

certified
     adj 1: endorsed authoritatively as having met certain requirements;
            "a certified public accountant" ant: uncertified
     2: having quality or payment or delivery guaranteed; "certified
        milk"; "certified check"; "certified mail"
     3: fit to be certified as insane and treated accordingly
        syn: certifiable
     4: holding appropriate documentation and officially on record
        as qualified to perform a specified function or practice a
        specified skill; "a registered pharmacist"; "a registered
        hospital" syn: qualified
see also:
uncertified certifiable qualified 

[6] : Moby Thesaurus II by Grady Ward, 1.0

103 moby thesaurus words for "certified":
   accepted, acknowledged, actual, admitted, affirmed, alleged,
   allowed, announced, approved, ascertained, asserted, asseverated,
   assured, attested, authenticated, averred, avouched, avowed,
   borne out, categorically true, certain, circumstantiated, conceded,
   confessed, confirmed, corroborated, countersigned, covered,
   decided, declared, demonstrated, deposed, determinate, determined,
   documentary, effectual, endorsed, ensured, enunciated, established,
   factual, fixed, granted, guaranteed, historical, in the bag,
   insured, made sure, manifestoed, nailed down, not in error,
   notarized, objectively true, on ice, open-and-shut, pledged,
   predicated, professed, pronounced, proved, proven, ratified, real,
   received, recognized, sealed, secure, secured, set, settled, shown,
   signed, stamped, stated, substantiated, sure, sure-enough, sworn,
   sworn and affirmed, sworn to, tested, tried, true, true as gospel,
   truthful, unconfuted, undenied, underwritten, undoubted,
   unerroneous, unfallacious, unfalse, unmistaken, unquestionable,
   unrefuted, validated, veracious, verified, veritable, vouched,
   vouched for, vowed, warranted

Certified >> C Words
Certified, definition of term: Certified
certified_pag1.html

Certified Publi >> C Words
Certified Publi, definition of term: Certified Publi
certified+publi_pag1.html

Certified Check >> C Words
Certified Check, definition of term: Certified Check
certified+check_pag1.html

Certified Milk >> C Words
Certified Milk, definition of term: Certified Milk
certified+milk_pag1.html