authorized vs authoritative

authorized and authoritative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
authorized	No	Yes	No	No
authoritative	No	Yes	No	No

As adjectives, authorized and authoritative are synonyms defined as:

Other synonyms of authorized include authorised.

authorized (adjective)	authoritative (adjective)
endowed with authority	endowed with authority
	having authority or ascendancy or influence
	of recognized authority or excellence