1. (

• behavior ,
• behaviour

) the action or reaction of something (as a machine or substance) under specified circumstances; "the behavior of small particles can be studied in experiments" ;

2. (

• demeanor ,
• demeanour ,
• behavior ,
• behaviour ,
• conduct ,
• deportment

) (behavioral attributes) the way a person behaves toward other people ;

3. (

• behavior ,
• behaviour ,

) (psychology) the aggregate of the responses or reactions or movements made by an organism in any situation ;

4. (

• behavior ,
• behaviour ,
• conduct ,
• doings

) manner of acting or controlling yourself ;