persuasive
adjective uk/pəˈsweɪ.sɪv/ us/pɚˈsweɪ.sɪv/
C1 有说服力的，令人信服的
making you want to do or believe a particular thing
a persuasive speaker/speech 有说服力的演讲人／演说
Your arguments are very persuasive. 你的论据非常有说服力。
He can be very persuasive. 他有时也很有说服力。