| hopeful(pleasant, bright, happy) |
| humorous(adjective, pleasant, happy, cheerful, jolly) |
| hyper(adjective, moving, bright, energetic, lively) |
| in good spirits(expression, idiom, pleasant, bright, happy) |
| in high spirits(expression, adjective, idiom, pleasant, bright) |
| indifferent(adjective, feature, state, trait) |
| insouciant(adjective, feature, state, trait) |
| invigorated(adjective, bright, lively, cheerful) |
| irrepressible(adjective, strong, hard, tough, enthusiastic) |
| irresponsible(adjective, feature, state, trait) |
| jocose(adjective, pleasant, happy, cheerful, jolly) |
| jokey(adjective, pleasant, bright, happy, merry) |
| jollying(adjective, pleasant, happy, cheerful, jolly) |
| joshing(adjective, pleasant, bright, happy, merry) |
| jouncing |
| juiced up(expression, adjective, happy, merry, cheerful) |
| jumping(adjective, moving, happy, energetic, lively) |
| jumpy(adjective, trembling, lighthearted, shaking, playful) |
| keen(adjective, bright, happy, energetic, wild) |
| kittenish(lighthearted, jumpy, playful, frolicsome) |