favourable vs prosperous

favourable and prosperous both are adjectives.

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

As adjectives, favourable and prosperous are synonyms defined as:

favourable and prosperous: presaging or likely to bring good luck or a good outcome

Other synonyms of favourable include favorable, golden, lucky.

favourable (adjective)	prosperous (adjective)
(of winds or weather) tending to promote or facilitate	marked by peace and prosperity
encouraging or approving or pleasing	presaging or likely to bring good luck or a good outcome
giving an advantage	in fortunate circumstances financially; moderately rich
presaging or likely to bring good luck or a good outcome	very lively and profitable