perfectly
adv. manneradv. in a way that is as good as possible, without any mistakes or flaws. You can also use it to mean 'completely' when you agree with someone or understand them.
adv. in a manner that is entirely without flaw or defect; to a complete or absolute degree. Often functions as an intensifier for adjectives or verbs to indicate total sufficiency or agreement.
The new dress fits her perfectly.
The hotel is perfectly situated for tourists who want to visit the city's main museums on foot.
While the initial draft contained several minor errors, the final version was perfectly aligned with the client's rigorous technical specifications and aesthetic preferences.
From perfect + -ly.
Functions as an adverb of manner when describing how an action is performed, or as an intensifier (degree) when modifying adjectives like 'clear' or 'fine'.
It is a perfectly dayIt is a perfect dayLearners sometimes use the adverb form 'perfectly' to modify a noun, but an adjective is required.