| nonchalant(adjective, feature, state, trait, cheerful) |
| pleasant(adjective, bright, happy, lively, ready) |
| untroubled(adjective, feature, state, happy, relaxed) |
| volatile(adjective, lively, casual, unconcerned, changeable) |
| affable(adjective, pleasant, happy, cheerful, elegant) |
| amiable(adjective, pleasant, happy, cheerful, casual) |
| calm(adjective, feature, state, happy, relaxed) |
| casual(adjective, feature, state, easy, trait) |
| chuffed(adjective, feeling, attitude, impression, emotion) |
| contented(adjective, feature, state, pleasant, bright) |
| cool(adjective, feature, state, happy, relaxed) |
| devil-may-care(adjective, feature, state, trait) |
| dizzy(adjective, pleasant, slang, ability, happy) |
| easy(adjective, feature, state, happy, relaxed) |
| easy-going(adjective, feature, state, easy, happy) |
| friendly(adjective, cheerful) |
| frivolous(adjective, ability) |
| heedless(adjective, feature, state, trait, cheerful) |
| humorous(adjective, pleasant, happy, energetic, lively) |
| jubilant(adjective, feature, state, pleasant, bright) |