one who defends or maintains a cause or proposal; one who supports or promotes the interests of a cause or group; one who pleads the cause of another; specifically : one who pleads the cause of another before a tribunal or judicial court… See the full definition| www.merriam-webster.com
a word belonging to one of the major form classes in any of numerous languages, typically serving as a modifier of a verb, an adjective, another adverb, a preposition, a phrase, a clause, or a sentence, expressing some relation of manner or quality, place, time, degree,… See the full definition| www.merriam-webster.com
the act or process of supporting a cause or proposal : the act or process of advocating something… See the full definition| www.merriam-webster.com