Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class V. Words Releasing to the Voluntary Powers
Division (I) Individual Volition
Section I. Volition in General
1. Acts of Volition

613. Habit.

   NOUN:HABIT, habitude, habituation, assuetude [obs.], assuefaction [obs.]; wont; run, way; habitual attitude, habitual state of mind, habitual course.
  common -, general -, natural -, ordinary- -course, – run, – state- of things; matter of course; beaten -path, – track, – ground.
  cacoëthes; bad -, confirmed -, inveterate -, [See intrinsic]- habit; addictedness, addiction, trick.
  CUSTOM, use, usage, prescription, immemorial usage, practice; prevalence, observance; conventionalism, conventionality; mode, fashion, vogue; etiquette (gentility) [See Fashion]; order of the day, cry; conformity [See Conformity]; consuetude, dastur or dustoor [India].
  one’s old way, old school, veteris vestigia flammœ [L.]; laudator temporis acti [L.].
  RULE, standing order, precedent, routine; red tape, red-tapism; pipe clay; rut, groove.
  ADDICT, habitué, habitual [colloq.], frequenter, case [slang], hard case [slang], the limit [slang].
  INUREMENT; training (education) [See Teaching]; seasoning, hardening; radication; second nature, acclimatization; knack (skill) [See Skill].
   VERB:BE WONT &c. adj.
  fall into a custom (conform to) [See Conformity]; tread -, follow- the beaten -track, – path; stare super antiquas vias [L.]; move in a rut, run on in a groove, go round like a horse in a mill, go on in the old jog-trot way; get wound up in red tape.
  HABITUATE, inure, harden, season, caseharden; accustom, familiarize; naturalize, acclimatize; keep one’s hand in; train (educate) [See Teaching].
  get into the -way, – knack- of; learn [See Learning]; cling to, adhere to; repeat [See Repetition]; acquire -, contract -, fall into- a -habit, – trick; addict oneself to, take to, accustom oneself to.
  BE HABITUAL &c. adj.; prevail; come into use, become a habit, take root; gain upon one, grow upon one.
   ADJECTIVE:HABITUAL; accustomary, customary; prescriptive; accustomed &c. v.; of -daily, – everyday- occurrence; consuetudinary; wonted, usual, general, ordinary, common, frequent, every day, household, jog-trot; well-trodden, well-known; familiar, vernacular, trite, commonplace, conventional, regular, set, stock, established, stereotyped; prevailing, prevalent; current, received, acknowledged, recognized, accredited; of course, admitted, understood.
  CONFORMABLE [See Conformity]; according to -use, – custom, – routine; in vogue, in fashion; fashionable (genteel) [See Fashion].
  WONT; used to, given to, addicted to, attuned to, habituated to &c. v.; in the habit of; habitué [F.]; at home in (skillful) [See Skill]; seasoned; imbued with, soaked in, permeated with, never free from; devoted to, wedded to.
  HACKNEYED, fixed, rooted, deep-rooted, ingrafted or engrafted, permanent, inveterate, besetting, naturalized; ingrained (intrinsic) [See Intrinsicality].
   ADVERB:HABITUALLY &c. adj.; always (uniformly) [See Uniformity].
  AS USUAL, as is one’s wont, as things go, as the world goes, as the sparks fly upwards; as you were [mil.]; more suo [L.], more solito [L.]; ex more [L.].
  AS A RULE, for the most part; generally &c. adj.; most -often, – frequently.
  1. Cela s’entend.
  2. Abeunt studia in mores.
  3. Adeo in teneris consuescere multum est.
  4. Consuetudo quasi altera natura.—Cicero
  5. Hoc erat in more majorum.
  6. How use doth breed a habit in a man!—Two Gentlemen
  7. Magna est vis consuetudinis; morem fecerat usus.—Ovid
  8. Custom, like Winter, is the king of all.—Masefield