| designed(adjective, deliberate, determined, careful, thoughtful) |
| discretional(adjective, feature, characteristic, open, free) |
| honorary(adjective, feature, characteristic, honor, free) |
| unconstrained(adjective, feature, characteristic, free, simple) |
| chosen(adjective, feature, characteristic, free, deliberate) |
| discretionary(adjective, open, free, will, elective) |
| elective(adjective, open, free, able) |
| honourable(adjective, feature, characteristic, honor) |
| studied(adjective, deliberate, determined, careful, thoughtful) |
| unasked(adjective, feature, characteristic, free, keen) |
| unbidden(adjective, free, simple, keen, happy) |
| unsolicited(adjective, for, uninvited, unsought) |
| elected(adjective, feature, characteristic, free, deliberate) |
| planned(adjective, deliberate, determined, careful, thoughtful) |
| witting(adjective, set, direct, free, keen) |
| calculated(adjective, deliberate, careful, thoughtful, cautious) |
| commemorative(adjective, feature, characteristic, honor) |
| honorable(adjective, feature, characteristic, honor) |
| honorific(adjective, feature, characteristic, honor) |
| military volunteer(noun, expression, idiom) |