Improvisation1. (n.) The act or art of composing and rendering music, poetry, and the like, extemporaneously; as, improvisation on the organ.
2. (n.) That which is improvised; an impromptu.
Thesaurus Entries
action, ad hoc measure, ad lib, ad-libbing, answer, arrangement, artifice, authorship, beginning, cadenza, coinage, conception, concoction, contrivance, contriving, countermove, coup, course of action, creation, creative effort, demarche, device, devising, disqualification, dodge, effort, expedient, extemporaneousness, extemporariness, extempore, extemporization, fabrication, flourish, generation, gimmick, hatching, hot lick, impromptu, improvision, incapability, incompetence, interpolation, invention, jury-rig, jury-rigged expedient, lack of preparation, last expedient, last resort, last shift, lick, makeshift, making do, maneuver, means, measure, mintage, move, nonpreparation, nonpreparedness, origination, pis aller, planlessness, playing by ear, pro tempore, resort, resource, riff, shake-up, shift, solution, step, stopgap, stratagem, stroke, stroke of policy, tactic, temporary arrangement, temporary expedient, temporary measure, trick, trump, unfitness, unfittedness, unpreparedness, unqualification, unqualifiedness, unreadiness, unsuitability, unsuitableness, unsuitedness, vamp, vulnerability, working hypothesis, working proposition