Synonyms of extemporize in English:

extemporize


See definition of extemporize

verb

1‘in modern jazz players extemporize in a very free manner’

SYNONYMS

improvise, ad lib, play it by ear, think on one's feet, cobble something together, throw something together, make it up as one goes along, take it as it comes

informal busk it, wing it, do something off the cuff, do something off the top of one's head, do something on the spur of the moment