S0623800 (spĕl′bīnd′)tr.v.spell·bound(-bound′), spell·bind·ing, spell·binds To hold under or as if under a spell; enchant or fascinate.[Back-formation from spellbound.]spell′bind′ing·ly adv.
spellbindingly
(ˈspɛlˌbaɪndɪŋlɪ) advin a spellbinding mannerThesaurusSeespellbind