adjective
1. : satisfying or assuring by argument or proof
one very convincing test which so strongly supports the tradition that it seems conclusive — Hilaire Belloc
2. : having the power to convince one of the truth, rightness, or reality of what is done or stated : plausible
the dialogue is most convincing — G.C.Sellery
more convincing than most spy novels — Anthony Boucher
Synonyms: see valid