behavior

noun:the way in which one acts or conducts oneself, especially toward others
- Others' behavior affects your inner peace, no matter what.
- Your behavior was not acceptable.
noun:the observable responses of an organism or system to external stimuli
- The scientist recorded the mice's behavior when exposed to the new scent.
noun:the characteristic way in which a particular group of people act, especially in a social or economic context
- Understanding consumer behavior is crucial for successful marketing campaigns.