ac·qui·esce
Pronunciation: "a-kwE-'es
Function: intransitive verb
Inflected Form(s): -esced; -esc·ing
Etymology: French acquiescer, from Latin acquiescere, from ad- + quiescere to be quiet -- more at QUIESCENT
: to accept, comply, or submit tacitly or passively -- often used with in and sometimes with to

(from Marcus's email)