improvisation (n.)
- action
- answer
- arrangement
- artifice
- authorship
- beginning
- cadenza
- coinage
- conception
- concoction
- contrivance
- countermove
- coup
- creation
- demarche
- device
- devising
- disqualification
- dodge
- effort
- expedient
- extemporization
- fabrication
- flourish
- generation
- gimmick
- hatching
- impromptu
- incapability
- incompetence
- interpolation
- invention
- lick
- makeshift
- maneuver
- means
- measure
- mintage
- move
- origination
- resort
- resource
- riff
- shake-up
- shift
- solution
- step
- stopgap
- stratagem
- stroke
- tactic
- trick
- trump
- unfitness
- unsuitability
- unsuitableness
- vamp
- vulnerability
