polite vs cultivated

polite and cultivated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
polite	No	Yes	No	No
cultivated	No	Yes	No	No

As adjectives, polite and cultivated are synonyms defined as:

Other synonyms of polite include civilised, civilized, cultured, genteel.

polite (adjective)	cultivated (adjective)
showing regard for others in manners, speech, behavior, etc.	(of land or fields) prepared for raising crops by plowing or fertilizing
not rude; marked by satisfactory (or especially minimal) adherence to social usages and sufficient but not noteworthy consideration for others	marked by refinement in taste and manners
marked by refinement in taste and manners	no longer in the natural state; developed by human care and for human use