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enamour

verb (used with object)

to fill or inflame with love (usually used in the passive and followed by of or sometimes with): to be enamored of a certain lady; a brilliant woman with whom he became enamored.
to charm or captivate.

verb

(tr; usually passive and foll by of) to inspire with love; captivate; charm

chiefly British English form of enamor; for spelling, see -or. Related: Enamoured.

c.1300, from Old French enamorer “to fall in love with; to inspire love (12c., Modern French enamourer), from en-, causative prefix (see en- (1)), + amour “love,” from amare “to love” (see Amy). An equivalent formation to Provençal, Spanish, Portuguese enamorar, Italian innamorare.