definition of
behaviour

[1] #1 behaviour n. [behavior] the action or reaction of something (as a machine or substance) under specified circumstances; "the behavior of small particles can be studied in experiments". wn

[2] #2 behaviour n. [demeanor, demeanour, behavior, conduct, deportment] (behavioral attributes) the way a person behaves toward other people. wn

[3] #3 behaviour n. [behavior] (psychology) the aggregate of the responses or reactions or movements made by an organism in any situation. wn

[4] #4 behaviour n. [behavior, conduct, doings] manner of acting or controlling yourself. wn