1 : pertaining to time-honored orthodox doctrines; "the simple security of traditional assumptions has vanished"
2 : morally rigorous and strict; "puritanic distaste for alcohol"; "she was anything but puritanical in her behavior"; "blue laws"
3 : in accord with or being a tradition or practice accepted from the past; "a conventional church wedding with the bride in traditional white"; "the conventional handshake"
