D defs.my
Entry 1 sense Webster, 1913

Embolden

/ĕm-bōl'-dən/ · Em·bold·en · IPA /ɛmˈboʊld(ə)n/
01 v. t. To give boldness or courage to; to encourage.
imp. & p. p. Emboldened; p. pr. & vb. n. Emboldening
  1. 1.
    To give boldness or courage to; to encourage.
    “The self-conceit which emboldened him to undertake this dangerous office.” Sir W. Scott.