Watsonian

adjective3

1. •
   Resembling or characteristic of the character Dr. Watson from the Sherlock Holmes stories.
2. •
   (slang) From an in-universe perspective; of or relating to an explanation within the text; internal to the narrative.

   • While fans recognize and do engage in Doylist readings, they tend to find Watsonian readings more engaging. Fan fiction writers in particular engage with the text intradiegetically. — 2012
3. •
   Of or pertaining to John B. Watson (1878–1958), American psychologist.