Synonyms for Decease:
n.check out, pass on to the Great Beyond, drop, kick in, bite the dust, cash in, kick off. •death (noun)
death, dissolution, extinction, expiration, cessation, demise, ending, release, fatality, parting, quietus, annihilation, passing.
die, go, death, exit, expire, perish, pass, pass away.
fall, part, succumb, perish, pass, depart.
cease, end, cap, wrap up, stop, accomplish, finalize, pass away, terminate, exit, expire, halt, conclude, die, checkmate, pass on, finish, complete, close, culminate.
•pass away; expire (verb)
depart, check out, go, pass, die, perish, cease, succumb, drop, pass away, pass on.