Reckon (8)
'reckon' is the definition.
(I know that reckon can be written as estimate)
This is all the clue.
(Other definitions for estimate that I've seen before include "Statement giving the likely cost of a job" , "Tease Tim (anag.)" , "Judge the worth of" , "Quotation" , "Likely amount" .)
'reckon' is the definition.
(synonyms)
This is all the clue.
(Other definitions for calculate that I've seen before include "'Work out, compute (9)'" , "Compute or reckon" , "Solve by mathematical procedure" , "Think about" , "Determine mathematically" .)