Crossword Genius

Thought required in hide-and-seek? (4)

Ross

I believe the answer is:

idea

'thought' is the definition.
(I know that idea is a type of calculation)

'in hide-and-seek?' is the wordplay.
'in' says the answer is hidden in the clue.
'IDEA' can be found hidden inside 'hide and seek'.

'required' acts as a link.

(Other definitions for idea that I've seen before include "Inkling" , "Purpose" , "Product of the mind" , "It comes to mind" , "Notion, image" .)

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