Crossword Genius

Think they might call round? Time to go (5)

Ross

I believe the answer is:

guess

I'm a little stuck... Click here to teach me more about this clue!

'think' is the definition.
(I know that guess is a more specific form of anticipate)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for guess that I've seen before include "Make stab at" , "Estimate roughly" , "Estimate, supposition" , "Surmise" , "Conjecture - estimate" .)

I've seen this clue in The Guardian.
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