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

adult \adult"\, a. l. adultus, p. p. of adolescere, akin to
   alere to nourish: cf. f. adulte. see adolescent, old.
   having arrived at maturity, or to full size and strength;
   matured; as, an adult person or plant; an adult ape; an adult
   age.
   1913 webster
see also:
adolescent old 

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

adult \adult"\, n.
   a person, animal, or plant grown to full size and strength;
   one who has reached maturity.
   1913 webster

   note: in the common law, the term is applied to a person who
         has attained full age or legal majority; in the civil
         law, to males after the age of fourteen, and to females
         after twelve.
         1913 webster

[3] : WordNet (r) 2.0

adult
     adj : of animals fully developed; "an adult animal"; "a grown
           woman" syn: big, full-grown, fully grown, grown,
            grownup
     n 1: a fully developed person from maturity onward syn: grownup
          ant: juvenile
     2: any mature animal
see also:
big full-grown fully grown grown grownup juvenile 

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

19 moby thesaurus words for "adult":
   aged, big, full-blown, full-fledged, full-grown, grown, grown up,
   grown-up, marriable, marriageable, mature, matured, maturescent,
   nubile, of age, of marriageable age, old, ripe, ripened

[5] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

adult, in the civil law. an infant who, if a boy, has attained his full age
of fourteen years, and if a girl, her full age of twelve. domat, liv. prel.
t. 2, s. 2, n. 8. in the common law an adult is considered one of full age.
1 swanst. r. 553.

Adult >> A Words
Adult, definition of term: Adult
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Adult Education >> A Words
Adult Education, definition of term: Adult Education
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