estimate
es-ti-mate
noun
A rough calculation or judgement of a quantity, cost, or value.
"The builder gave us an estimate for the repairs."
verb
To roughly calculate or judge the value, quantity, or extent of something.
"We estimate the journey will take two hours."
Thesaurus
Synonyms: estimation, guess, judge, gauge, approximate, approximation, idea, calculate, count on, figure, reckon, forecast