| concocted(verb, untrue, developed, fictitious, invented) |
| extemporize(informal, unplanned, off-the-cuff, extemporise) |
| free(adjective, simple, fake, natural, casual) |
| improviso(adjective, free, spontaneous, unprepared, impromptu) |
| interim(adjective, temporary) |
| invented(verb, untrue, developed, fictitious, fabricated) |
| made-up(adjective, free, impulsive, impromptu, unrehearsed) |
| played(verb, dramatized) |
| surprised(unqualified, unsuspecting, unready) |
| tentative |
| unarranged(adjective, spontaneous, unprepared, unplanned, unrehearsed) |
| uncontrived(adjective, simple, natural, casual, impulsive) |
| unready(unqualified, unsuspecting) |
| according to pleasure(expression, idiom, adverb, impulsive, extemporize) |
| acted(verb, dramatized) |
| adlibbed |
| artificial(untrue, developed, fictitious, invented, fabricated) |
| as one thinks best(expression, idiom, adverb, impulsive, extemporize) |
| as one wishes(expression, idiom, adverb, impulsive, extemporize) |
| assumed(untrue, developed, fictitious, invented, fabricated) |