adjective
- inclined or disposed to please; obliging; agreeable or gracious; compliant: the most complaisant child I’ve ever met.
adjective
- showing a desire to comply or oblige; polite
1640s, from French complaisant (16c.), in Middle French, “pleasing,” present participle of complaire “acquiesce to please,” from Latin complacere “be very pleasing” (see complacent, with which it overlapped till mid-19c.). Possibly influenced in French by Old French plaire “gratify.”