embolden

1. V-T If you are emboldened by something, it makes you feel confident enough to behave in a particular way. 使有胆量; 使有信心

The president was steadily emboldened by the discovery that he faced no opposition. 发现自己没有受到任何反对，该总统渐渐有了信心。

Four days of non-stop demonstrations have emboldened the anti-government protesters. 连续四天不间断的示威活动给反政府抗议者们壮了胆。