convincing Play adjectiveCapable of causing someone to believe that something is true or real. SYNONYMS assuasivebelievablecarrying convictioncogentcolourablecompellingconclusivecredibleforcefulincontestableincontrovertibleirresistiblelikelypersuasiveplausiblepotentpowerfulprobablesoundstrongsuasivetellingunanswerableunassailableverisimilarwell founded