approbative vs approbatory

approbative and approbatory both are adjectives.

Word	Noun	Adjective	Verb	Adverb
approbative	No	Yes	No	No
approbatory	No	Yes	No	No

As adjectives, approbative and approbatory are synonyms defined as:

approbative and approbatory: expressing or manifesting praise or approval

Other synonyms of approbative include affirmative, approving, plausive.

approbative (adjective)	approbatory (adjective)
expressing or manifesting praise or approval	expressing or manifesting praise or approval