Verb
secure and keep for possible future use or application
prevent the action or expression of
hold back; refuse to hand over or share
Source: WordNetO, for an engine, to keep back all clocks, or make the sun forget his motion! Ben Jonson
Admire a small ship, but put your freight in a large one; for the greater the lading, the greater will be your piled gain, if only the winds will keep back their harmful gales. Hesiod
keep your cool Source: Internet
The landlord retained the security deposit Source: Internet
I reserve the right to disagree Source: Internet
hold back your anger Source: Internet