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

'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 Telegraph, The Sun, The Mirror, The Star Tribune, the Evening Standard, the King Feature Syndicate, the USA Today, The Guardian and The Wall Street Journal.

'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 Telegraph, The Sun, The Mirror, The Star Tribune, the Evening Standard, the King Feature Syndicate, the USA Today, The Guardian and The Wall Street Journal.

Notion (4)