thought-provoking

US /ˈθɑːt.prəˌvoʊk.ɪŋ/
UK /ˈθɑːt.prəˌvoʊk.ɪŋ/
"thought-provoking" picture
1.

making you think a lot about a subject

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The documentary was incredibly thought-provoking, raising many questions about society.
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She gave a thought-provoking speech on the future of technology.
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stimulatingprovocativechallenginginsightfulrevealing
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provokethoughtthoughtfulon second thoughtperish the thoughtfood for thoughttrain of thought