In a way that has great strength, force, or effect; with considerable influence or impact.
From 'powerful' (having power), which derives from Old French 'povoir' (to be able), with adverbial suffix '-ly.'
The word 'powerfully' is overused in marketing, but neuroscience shows that emotional language literally triggers different brain regions—which is why 'powerfully moving' actually means something in your neurology.
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