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

habitual \habit"ual\ h.abi^t"-ual; 135, a. cf. f.
   habituel, ll. habitualis. see habit, n.
   1. formed or acquired by habit or use.
      1913 webster

            an habitual knowledge of certain rules and maxims.
                                                  --south.
      1913 webster

   2. according to habit; established by habit; customary;
      constant; as, the habitual practice of sin.
      1913 webster

            it is the distinguishing mark of habitual piety to
            be grateful for the most common and ordinary
            blessings.                            --buckminster.

   syn: customary; accustomed; usual; common; wonted; ordinary;
        regular; familiar. -- habit"ually, adv. --
        habit"ualness, n.
        1913 webster
see also:
habit habit"ually habit"ualness 

[2] : WordNet (r) 2.0

habitually
     adv 1: according to routine or established practice; "he routinely
            parked in a no-parking zone" syn: routinely
     2: according to habit or custom; "her habitually severe
        expression"; "he habitually keeps his office door closed"
see also:
routinely 

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

42 moby thesaurus words for "habitually":
   again and again, as a rule, as per usual, as things go, as usual,
   chiefly, chronically, commonly, consistently, customarily,
   frequently, generally, in many instances, inveterately, mainly,
   many a time, many times, most often, mostly, naturally, normally,
   normatively, not infrequently, not seldom, oft, often,
   often enough, oftentimes, ofttimes, ordinarily, persistently,
   prescriptively, recurringly, regularly, repeatedly, repetitively,
   routinely, to be expected, unseldom, usually, whenever you wish,
   wontedly

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

habitually. customarily, by habit. or frequent use or practice, or so 
frequently, as to show a design of repeating the same act. 2 n. s. 622: 1 
mart. lo. r. 149. 
     2. in order to found proceedings in lunacy, it is requisite that the 
insanity should be habitual, yet it is not necessary that it should be 
continued. 1 bouv. inst.  n. 379. 

Habitually >> H Words
Habitually, definition of term: Habitually
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