The root word "enthusiasm" comes from the Greek entheos(en + theos, in, or caused by god), the word having been originally used for religious zeal.
I'm enthusiastic to search for source of knowledges.
The word 'enthusiastically' is the adverb form of the adjective 'enthusiastic'.The abstract noun related to the adjective 'enthusiastic' is enthusiasm.
Kaylee raised her hand enthusiastically when the teacher asked the class- "What is 7x7 ?"
Enthuse
The likely word is enthusiastically (with fervor or great interest).
"They discussed the question enthusiastically"
salute, admire, esteem
The word enthusiastic is an adjective. It means in an excited manner.
The children clapped enthusiastically to the rhythm of the happy tune.
It is an operation or series of operations enthusiastically pursued to accomplish a purpose.
Emphasize emotionally enthusiastically just to name a few.
No, the word enthusiasm is a state of being. If it were in its form, enthusiastically, it would be an adverb.