Yours, Etc.: Origins and Uses of 8 Sign-Offs
early 15c., "gracious, kindly," from Middle French suave, from Latin suavis "agreeable," from PIE root *swad- (see sweet). In reference to persons, sense of "smoothly agreeable" first recorded 1815 (in suavity).
Excellent; fine; coolnoun
Smooth skill; polished adroitness: He has plenty of suave when it comes to girlsverb
: Then I took her off her feet. I suaved her/ I guess old Buck suaved her off her feet (1960s+ Teenagers)