Neatly is an adverb.
"In conclusion" is a phrase commonly used as a transition or a signal that the speaker is about to summarize key points or make a final statement. It does not fit neatly into one specific part of speech, as it functions more as a transitional phrase in writing or speech.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.
The part of speech for "buried" is a verb.