very well vs alright

very well is not an adjective while alright is an adjective.

Word	Noun	Adjective	Verb	Adverb
very well	No	No	No	Yes
alright	No	Yes	No	Yes

As adverbs, very well and alright are synonyms defined as:

very well and alright: an expression of agreement normally occurring at the beginning of a sentence

Other synonyms of very well include all right, fine, OK.

very well (adjective)	alright (adjective)
	nonstandard usage

very well (adverb)	alright (adverb)
quite well	an expression of agreement normally occurring at the beginning of a sentence
an expression of agreement normally occurring at the beginning of a sentence	without doubt (used to reinforce an assertion)
	in a satisfactory or adequate manner