estimation

nouns

a document appraising the value of something (as for insurance or taxation)
is derived from
the respect with which a person is held
"they had a high estimation of his ability"
an approximate calculation of quantity or degree or worth
"an estimate of what it would cost"; "a rough idea how long it would take"
is derived from
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"
is derived from