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Extemporize

verb

Verb

1
To perform or speak without prior planning or thought; to act in an impromptu manner; to improvise. intransitive
""Will you please tell me whose music you have been playing?" . . . "It's nobody's, miss." "Do you mean you have been extemporizing all this time?""
2
perform without preparation wordnet
3
To adapt, improvise, or devise action or speech in an impromptu or spontaneous manner. transitive
"As the music came fresher on their ears, they danced to its cadence, extemporizing new steps and attitudes."
4
manage in a makeshift way; do with whatever is at hand wordnet

From extempore + -ize.

Unscramble this word: extemporize