Synonyms:
buoyant, chirpy, perky
Meaning: characterized by liveliness and lightheartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s"
Usage examples
They taught the perky boy that he was not everything, and the limp boy that he might be something.
They even welcomed those boys who were neither limp nor perky, but odd--those boys who had never been at a public school at all, and such do not find a welcome everywhere.