placidē adv.with comp.
placidus, softly, gently, quietly, calmly, peacefully, placidly : respondet, S.: ire, T.: progredi, Cs.: ferre dolorem: plebem placidius tractare, S.
plăcĭdē, adv., v. placidus fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.