persuasiveness 

英汉解释

n. 说服力；信服；口才好

同义词

n. strength

反义词

n.   unpersuasiveness

参考例句

1. When it's your turn to talk, maximize your persuasiveness by grabbing others' attention.
当*到你讲话时，要吸引别人的注意力来最大化地增强自己的说服力。
2. The wise man is esteemed for his discernment, yet pleasing speech increases his persuasiveness.
有慧心的人，被称为哲人；温和的口吻，更具说服力。
3. The wise in heart will be called understanding, And sweetness of speech increases persuasiveness.
心中有智慧、必称为通达人．嘴中的甜言、加增人的学问。

英英解释

n.
  1. the power to induce the taking of a course of action or the embracing of a point of view by means of

网络释义

Persuasiveness
说服力; 口才好; 善劝;
How the Imperative Is Used to Achieve Advertising Persuasiveness
广告祈使句与广告劝说功能;