have a go at it vs consummate

have a go at it is not an adjective while consummate is an adjective.

Word	Noun	Adjective	Verb	Adverb
have a go at it	No	No	Yes	No
consummate	No	Yes	Yes	No

have a go at it (adjective)	consummate (adjective)
	perfect and complete in every respect; having all necessary qualities
	having or revealing supreme mastery or skill
	without qualification; used informally as (often pejorative) intensifiers

have a go at it (verb)	consummate (verb)
have sexual intercourse with	make perfect; bring to perfection
	fulfill sexually