godan verb (-ru), intransitive verb
be thrilled; be excited; one's heart leaps
Expresses a joyful, eager excitement that makes the heart feel like it's dancing. Often used for anticipation or delight. Colloquial and vivid.
See also: 心が躍る
新しい冒険のことを考えると心が躍る。
My heart leaps when I think about the new adventure.
彼女からの手紙に心躍らせた。
I was thrilled by the letter from her.