Pleasing

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Middle English: from Old French plaisir ‘to please’, from Latin placere .

wiktionary

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From Middle English plesynge, pleizinge, plesende(present participle), equivalent to please +‎ -ing.

From Middle English plesing, plesinge(“satisfaction; pleasing”), equivalent to please +‎ -ing.

etymonline

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pleasing (adj.)

late 14c., plesing, "acceptable, giving satisfaction; attractive, giving pleasure," present-participle adjective from please (v.). Related: Pleasingly.