| unconstrained(adjective, feature, characteristic, free, deliberate) |
| unforced(adjective, feature, characteristic, free, deliberate) |
| unpaid(adjective, feature, characteristic, free, deliberate) |
| volitional(adjective, feature, characteristic, free, deliberate) |
| voluntary(adjective, feature, characteristic, free, deliberate) |
| volunteer(adjective, feature, characteristic, free, deliberate) |
| willed(adjective, feature, characteristic, free, deliberate) |
| uncompensated(adjective, feature, characteristic, unrewarded, unremunerated) |
| unsalaried(adjective, feature, characteristic, unrewarded, unremunerated) |
| commemorative(adjective, feature, characteristic) |
| complimentary(adjective, feature, characteristic) |
| favoured(adjective, feature, characteristic) |
| honorific(adjective, feature, characteristic) |
| honourary(adjective, feature, characteristic) |
| nominal(adjective, feature, characteristic) |
| opted(adjective, free, deliberate, natural, witting) |
| optional(adjective, free, deliberate, natural, willing) |
| titular(adjective, feature, characteristic) |
| unbidden(adjective, free, deliberate, natural, witting) |
| uncompelled(adjective, free, deliberate, natural, witting) |