With zealous fervor; excited, motivated.
an enthusiastic lover of art
Relating to enthusiasm, or divine possession.
From Ancient Greek ἐνθουσιαστικός (enthousiastikós), from either ἐνθουσιασμός (enthousiasmós) or ἐνθουσιάζω (enthousiázō) + -τικός (-tikós).
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