behaviour

noun6

1. •
   the way someone acts, especially when others judge it as good or bad

   • Teachers will probably be on their best behaviour for your visit – but don't be upset if they don't even notice you; they've got enough going on. — 2014
2. •
   The way or manner a living creature behaves or acts generally.
3. •
   An observable response produced by an organism.
4. •
   The way a device or system operates.
5. •
   An inappropriate or forbidden action.

   • When a patient has a behavior, document it in their records.
6. •
   (informal) A state of probation about one's conduct.

   • He was on his best behavior when her family visited.