/ pəˈsweɪsɪv; NAmE pərˈs-/ adjective
able to persuade sb to do or believe sth :
persuasive arguments
He can be very persuasive.
► per·sua·sive·ly adverb :
They argue persuasively in favour of a total ban on handguns.
► per·sua·sive·ness noun [ U ]
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WORD ORIGIN
late 15th cent.: from French persuasif , -ive or medieval Latin persuasivus , from persuas- convinced by reasoning, from the verb persuadere , from per- through, to completion + suadere advise.