habit implies a doing unconsciously and often compulsively.
had a habit of tapping his fingers
practice suggests an act or method followed with regularity and usually through choice.
our practice is to honor all major credit cards
usage suggests a customary action so generally followed that it has become a social norm.
western-style dress is now common usage in international business
custom applies to a practice or usage so steadily associated with an individual or group as to have almost the force of unwritten law.
the custom of wearing black at funerals
wont usually applies to a habitual manner, method, or practice of an individual or group.
as was her wont, she slept until noon
Example Sentences
Adjective she paced about the room, as she is wont to do whenever she is agitated Noun he got up early, as is his wont
Word History
Etymology
Adjective
Middle English woned, wont, from past participle of wonen to dwell, be used to, from Old English wunian; akin to Old High German wonēn to dwell, be used to, Sanskrit vanoti he strives for — more at win
First Known Use
Adjective
before the 12th century, in the meaning defined at sense 1