ac·cus·tom /əˈkʌstəm/
  (vt.)使適應,使習慣
  Ac·cus·tom v. t. [imp. & p. p. Accustomed p. pr. & vb. n. Accustoming.]  To make familiar by use; to habituate, familiarize, or inure; -- with to.
     I shall always fear that he who accustoms himself to fraud in little things, wants only opportunity to practice it in greater.   --Adventurer.
  Syn: -- To habituate; inure; exercise; train.
  Ac·cus·tom, v. i.
  1. To be wont. [Obs.]
  2. To cohabit. [Obs.]
     We with the best men accustom openly; you with the basest commit private adulteries.   --Milton.
  Ac·cus·tom, n. Custom. [Obs.]
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  accustom
       v : make psychologically or physically used (to something); "She
           became habituated to the background music" [syn: habituate]