| inessential(adjective, casual, useless, extra, worthless) |
| joyous(adjective, good, happy, happiness, joy) |
| nonessential(adjective, casual, irregular, useless, extra) |
| opportune(adjective, appropriate, happy, fortunate, fitting) |
| undesigned(adjective, intention, unplanned, unintentional, accidental) |
| unessential(adjective, casual, useless, extra, worthless) |
| unlooked-for |
| as happy as a clam(adjective, good, happy, happiness, joy) |
| blest(adjective, good, happy, happiness, joy) |
| blissful(adjective, good, happy, happiness, joy) |
| blithesome(adjective, good, happy, happiness, joy) |
| conditional(adjective, dependent) |
| delighted(adjective, good, happy, happiness, joy) |
| eudemonic(adjective, good, happiness, glad, success) |
| fatal(adjective, accidental) |
| favored(adjective, happy, fortunate, opportune, lucky) |
| felicific(adjective, good, happy, happiness, joy) |
| glad(adjective, good, happy, happiness, joy) |
| hummy(adjective, good, happy, happiness, joy) |
| idyllic(adjective, good, happy, happiness, joy) |