Improvisation is an essential skill that artists, musicians, actors, and dancers possess. However, improvisation is not limited to these fields. In everyday language, we often improvise when we don't have a ready or perfect solution to a problem. Here are some synonyms for 'improvises' that you can use in writing or speaking: 1) Ad-libs 2) Improvises off-the-cuff 3) On-the-spot improvisation 4) Spontaneous improvisation 5) Makes things up as they go 6) Wing it 7) Extemporizes 8) Improvises impromptu 9) Makes do with what they have 10) Plays it by ear These words describe the act of improvising, albeit with slightly different shades of meaning.