What is "conventionalisms"

Usage examples of "conventionalisms".

It is a record of how people can see fish and call them flesh or fowl, according to the conventionalisms of dogmatic tutors as purblind as themselves, according to their personal fears of losing invisible shares in non-existent heavenly mansions, according to their credulous belief that God may deny them wings if they, in turn, assert that a sight authoritatively declared to be straight from heaven may indeed have come straight from hell.