To make someone experience or express ecstasy; to fill with overwhelming joy or excitement.
From ecstatic (from Greek ekstasis, 'standing outside oneself') + -ize suffix meaning 'to make or become.' The root Greek word originally referred to a trance-like state of being beside oneself with emotion.
This word shows how English speakers love turning adjectives into verbs by adding -ize, but ecstaticize is quite rare—most people would just say 'make ecstatic' instead. It's a reminder that not every possible word formation actually catches on in daily speech!
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