jolly vs reasonably

jolly is a noun but reasonably is not a noun.

Word	Noun	Adjective	Verb	Adverb
jolly	Yes	Yes	Yes	Yes
reasonably	No	No	No	Yes

As adverbs, jolly and reasonably are synonyms defined as:

Other synonyms of jolly include fairly, middling, moderately, passably, pretty, somewhat.

jolly (noun)	reasonably (noun)
a yawl used by a ship's sailors for general work
a happy party

jolly (adjective)	reasonably (adjective)
full of or showing high-spirited merriment

jolly (verb)	reasonably (verb)
be silly or tease one another

jolly (adverb)	reasonably (adverb)
to certain extent or degree	to certain extent or degree
	with good sense or in a reasonable or intelligent manner