noun, noun or participle which takes 'suru', intransitive verb
taking heart; being in high spirits
Describes a state of being encouraged, elated, or in high spirits, often with a sense of moving forward with renewed energy. Can be used as a noun or as a suru-verb.
彼はその知らせを聞いて勇躍した。
He took heart upon hearing the news.
勇躍して新しい仕事に取り
In high spirits, I tackled the new task.