iūcundē (iōc-) adv.with comp.and sup.
iucundus, agreeably, delightfully : vivere: cenam producere, H.: bibere iucundius: iucundissime vivere.
jūcundē, adv., v. iucundus fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.