| delightful(adjective, pleasant, bright, happy, fun) |
| devil-may-care(adjective, feature, state, trait) |
| dizzy(adjective, pleasant, happy, cheerful, jolly) |
| eager(adjective, bright, energetic, enthusiastic, excited) |
| easy(adjective, feature, state, trait) |
| easy-going(adjective, feature, state, trait) |
| easygoing(adjective, feature, state, trait) |
| enlivened |
| enlivening(pleasant, bright, happy) |
| entertaining(adjective, pleasant, bright, energetic, active) |
| enthusiastic(adjective, moving, pleasant, bright, happy) |
| expandable |
| expansible |
| facetious(adjective, pleasant, happy, cheerful, jolly) |
| favourable(adjective, feature, state, trait) |
| fearless(adjective, bright, energetic, passionate, determined) |
| feckless(adjective, feature, state, trait) |
| felicitous(adjective, feature, state, trait) |
| festal(adjective, pleasant, happy, merry, cheerful) |
| fictile |