Ideas or explanations which have not yet been proved (8)

I believe the answer is:

theories

(Other definitions for theories that I've seen before include "Abstract principles" , "General principles or possibilities" , "Set of principles on which practices are based" , "General principles or opinions" , "Conjectures" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.