Notion - Crossword Clue, Answer and Explanation

'notion' is the definition.
(I know that notion can be written as whim)

This is the entire clue.

(Other definitions for whim that I've seen before include "Fad" , "Caprice, sudden fancy" , "'Caprice, notion (4)'" , "Fancy, notion" , "Urge" .)

I've seen this clue in The Wall Street Journal, the LA Times, The Sun, the Universal, The Guardian, The Independent, The Star Tribune, The Mirror, the King Feature Syndicate, the Newsday, the Sydney Morning Herald, The New York Times, the Evening Standard, the USA Today, The Times, the Penny Press and The Telegraph.

'notion' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for thought that I've seen before include "Idea, concept" , "Content of cognition" , "Musing" , "Meditation" , "Deliberation" .)

I've seen this clue in The Wall Street Journal, The Sun, The Guardian, the King Feature Syndicate, The Star Tribune, The Mirror, the Evening Standard, the USA Today and The Telegraph.

'notion' is the definition.
(I know that notion can be written as concept)

This is the entire clue.

(Other definitions for concept that I've seen before include "Abstract idea; mental picture" , "Product of the mind" , "Notion" , "Abstract or general idea" .)

I've seen this clue in The Wall Street Journal, The Sun, The Guardian, the King Feature Syndicate, The Star Tribune, The Mirror, the Evening Standard, the USA Today and The Telegraph.

Notion (4)