estimating
es-ti-mat-ing
noun
The process of calculating an approximate value, quantity, or cost.
"Accurate estimating prevents budget overruns."
verb
Forming an approximate judgement or calculation of something's value or size.
"She is estimating the repair time."
Thesaurus
Synonyms: estimation, estimate, guess, judge, gauge, approximate, approximation, idea, calculate, count on, figure, reckon