Enthusiastic, Enthusiastical, a.
Etymology: [Gr.
Filled with enthusiasm; characterized by enthusiasm; zealous; as, an enthusiastic lover of art. "Enthusiastical raptures." Calamy. -- En*thu`si*as"tic*al*ly, adv. A young man . . . of a visionary and enthusiastic character. W. Irving.
1 other Webster entry under this spelling
Enthusiastic, n.
An enthusiast; a zealot. [Obs.]
Shades of meaning
Fernald has no entry of its own for enthusiastic; he lists it under eager.
He lists it without comment; the entries above explain its neighbors.