renew

Concise Oxford English Dictionary © 2008 Oxford University Press:
renew/rɪˈnjuː/

▶verb

• 1 resume or re-establish after an interruption.

• 2 give fresh life or strength to.

• 3 extend the period of validity of (a licence, subscription, or contract).

• 4 replace or restore (something broken or worn out).

– derivatives
renewal noun,
renewer noun.