behave in a certain manner; show a certain behavior; conduct or comport oneself | act as an optimist and take a sunny view of the world |
pretend to have certain qualities or state of mind | make optimal; get the most out of; use best |
discharge one's duties | modify to achieve maximum efficiency in storage capacity or time or cost |
play a role or part | |
perform on a stage or theater | |
behave unnaturally or affectedly | |
perform an action, or work out or perform (an action) | |
have an effect or outcome; often the one desired or expected | |
be suitable for theatrical performance | |