to be careful; to be discreet; to do in moderation; to refrain (from overdoing); to be purified; to be chaste
modesty; self-control; discretion
modest; reserved; discreet; careful; prudent; circumspect
to watch what one says; to mind one's language
to behave oneself; to be prudent; to exercise self-restraint; to abstain (from frivolity, drinking, etc.)