Simple past tense and past participle of prompt.(verb)
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Use "prompted" in a sentence
"The word prompted a roomful of groans and a handful of helicopter impersonations."
"CHICAGO (AP) - Chicago Mayor Richard Daley's decision to not run for another term prompted"
"Chicago Mayor Richard Daley's decision to not run for another term prompted a call from someone else who's famous name is synonymous with the nation's third-largest city: Oprah"