| elective |
| freely(adjective, free, deliberate, natural, willing) |
| intended(adjective, free, deliberate, natural, willing) |
| intentional(adjective, free, deliberate, natural, willing) |
| uncontrolled(adjective, simple, natural, casual, impulsive) |
| unprompted(adjective, simple, natural, casual, impulsive) |
| unsolicited |
| willing(adjective, free, simple, natural, casual) |
| abandoned |
| ad-lib(adjective, simple, natural, casual, impulsive) |
| automatic(adjective, simple, natural, casual, impulsive) |
| break loose(expression, adjective, simple, natural, casual) |
| casual(adjective, simple, natural, impulsive, willing) |
| designful(adjective, free, deliberate, natural, willing) |
| down(adjective, simple, natural, casual, impulsive) |
| effortless(adjective, natural, spontaneous, voluntary) |
| elected(adjective, free, deliberate, natural, willing) |
| extemporaneous(adjective, simple, natural, casual, impulsive) |
| extempore(adjective, simple, natural, casual, impulsive) |
| free-willed(adjective, free, deliberate, natural, witting) |