favourable vs complimentary

favourable and complimentary both are adjectives.

Word	Noun	Adjective	Verb	Adverb
favourable	No	Yes	No	No
complimentary	No	Yes	No	No

favourable (adjective)	complimentary (adjective)
(of winds or weather) tending to promote or facilitate	conveying or resembling a compliment
encouraging or approving or pleasing	costing nothing
giving an advantage
presaging or likely to bring good luck or a good outcome