persuasive

他具有说服力的论点赢得了委员会的认可。

His ___persuasive arguments won over the committee.

这则广告的信息巧妙而具有说服力。

The advertisement's message was cleverly ___persuasive.

她在辩论中的论点非常有说服力。

Her argument in the debate was remarkably ___persuasive.