favourable reception vs approval

favourable reception and approval both are nouns.

Word	Noun	Adjective	Verb	Adverb
favourable reception	Yes	No	No	No
approval	Yes	No	No	No

As nouns, favourable reception and approval are synonyms defined as:

Other synonyms of favourable reception include favorable reception.

favourable reception (noun)	approval (noun)
acceptance as satisfactory	the formal act of approving
	a message expressing a favorable opinion
	a feeling of liking something or someone good
	acceptance as satisfactory