Habit

See also Wikipedia:Habit (psychology)

 1.
  a. A recurrent, often unconscious pattern of behavior that is acquired through frequent repetition.
  b. An established disposition of the mind or character.
     2. Customary manner or practice: a person of ascetic habits.
     3. An addiction, especially to a narcotic drug.
     4. Physical constitution.
     5. Characteristic appearance, form, or manner of growth, especially of a plant or crystal.
     6.
   a. A distinctive dress or costume, especially of a religious order.
   b. A riding habit.


These nouns denote patterns of behavior established by continual repetition. Habit applies to a behavior or practice so ingrained that it is often done without conscious thought: "Habit rules the unreflecting herd" (William Wordsworth).

     1. a tendency or disposition to act in a particular way
     2. established custom, usual practice, etc.
     3. (Psychology) Psychol a learned behavioural response that has become associated with a particular situation, esp one frequently repeated
     4. mental disposition or attitude a good working habit of mind
     5.
  a. a practice or substance to which a person is addicted drink has become a habit with him
  b. the state of being dependent on something, esp a drug
     6. (Life Sciences & Allied Applications / Biology) Botany Zoology the method of growth, type of existence, behavior, or general appearance of a plant or animal a climbing habit a burrowing habit
     7. (Clothing & Fashion) the customary apparel of a particular occupation, rank, etc., now esp the costume of a nun or monk
     8. (Clothing & Fashion) Also called riding habit a woman's riding dress
     9. (Chemistry) Crystallog short for crystal habit
vb (tr)
     1. (Clothing & Fashion) to clothe
     2. an archaic word for inhabit, habituate

Source

www.thefreedictionary.com