Noun
1. an approximate calculation of quantity or degree or worth;
"an estimate of what it would cost""a rough idea how long it would take"2. a document appraising the value of something (as for insurance or taxation)
3. the respect with which a person is held;
"they had a high estimation of his ability"4. 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"