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"act" is also used as a crossword clue. If that's what you saw, the answer is often deed (4 letters).
Definitions
Something done; also to perform or take action.
Word origin
From Middle English acte, from Old French acte, from Latin ācta (“register of events”), plural of āctum (“decree, law”), from agere (“to do, to act”), ultimately from Proto-Indo-European *h₂éǵeti. Compare German Akte (“file”). Partially displaced deed, from Old English dǣd (“act, deed”).
Used in a sentence
“Osteoporosis Australia is calling for the 'no hat, no play' policy in school playgrounds to be reassessed in the ACT and Tasmania, because children are not getting enough sunlight.”
“an act of goodwill”
“That best portion of a good man's life, / His little, nameless, unremembered acts / Of kindness and of love.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer18 curated clues
01“Do something”3 letters
02“Behave”3 letters
03“Behave onstage”3 letters
04“Do a stage role”3 letters
05“Part of a play”3 letters
06“Perform onstage”3 letters
07“Scene in a play”3 letters
08“Stage bit”3 letters
09“Stage division”3 letters
10“Stage performance”3 letters
11“Stage performance piece”3 letters
12“Stage section”3 letters
13“Stage segment”3 letters
14“Take the stage”3 letters
15“Theater division”3 letters
16“Theater segment”3 letters
17“Legislation”3 letters
18“Thing done on purpose”3 letters
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