in return is an adverb meaning "(often followed by `for') in exchange or in reciprocation". It carries one recorded sense.
(often followed by `for') in exchange or in reciprocation
“gave up our seats on the plane and in return received several hundred dollars and seats on the next plane out”
“we get many benefits in return for our taxes”
Definitions, synonyms and semantic relations for in return come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .