renew
/rɪˈnuː/ /Brit rɪˈnjuː/
verb
-news; -newed; -newing
[+ obj] to make (something) new, fresh, or strong again
to make (a promise, vow, etc.) again
to begin (something) again especially with more force or enthusiasm
to put in a fresh supply of (something) :replace
to cause (something) to continue to be effective or valid for an additional period of time