| serene(adjective, feature, state, calm, quiet) |
| agreeable(adjective, calm, smooth, mild, steady) |
| blithe(adjective, feature, state, easy, happy) |
| carefree(adjective, feature, state, care, relaxed) |
| devil-may-care(adjective, feature, state, care, trait) |
| easy(adjective, feature, state, weak, simple) |
| happy-go-lucky(adjective, feature, state, happy, care) |
| nonchalant(adjective, feature, state, care, trait) |
| pliable(adjective, flexible, compliant, resilient, malleable) |
| soft(adjective, calm, weak, restrained, subdued) |
| untroubled(adjective, feature, state, happy, care) |
| worry-free(adjective, feature, state, trait) |
| acquiescent |
| breezy(adjective, feature, state, easy, happy) |
| irresolute |
| permissive(adjective, feature, state, weak, simple) |
| relenting |
| unworried(adjective, feature, state, care, trait) |
| willing |
| complying |