■ verb 'ɛstɪmeɪt roughly calculate or judge the value, number, quantity, or extent of.
■ noun 'ɛstɪmət
1》 an approximate calculation or judgement.
↘a written statement indicating the likely price that will be charged for specified work.
2》 an assessment of the worth of someone or something.
Derivatives
estimation noun
estimative -mətɪv adjective
estimator noun
Origin
ME: from L. aestimat- , aestimare 'determine, appraise'.