Word or Phrase That Modifies an Action Word

This page is the CodyCross answer for the clue below from Resorts, Group 541, Puzzle 4 (Concierge Service).

Question is: Word or Phrase That Modifies an Action Word

and the answer is: ADVERB

Word Meaning:

ADVERB — (grammar) A word that modifies a verb, adjective, other adverbs, or various other types of words, phrases, or clauses.

Definitions from Wiktionary.