estimation

(n) a document appraising the value of something (as for insurance or taxation) appraisal, estimate,
(n) the respect with which a person is held
- they had a high estimation of his ability
estimate,
(n) an approximate calculation of quantity or degree or worth
- an estimate of what it would cost
- a rough idea how long it would take
approximation, estimate, idea,
(n) a judgment of the qualities of something or somebody
- many factors are involved in any estimate of human life
- in my estimation the boy is innocent
estimate,

appraisal estimate approximation idea