estimation

noun

es·​ti·​ma·​tion ˌe-stə-ˈmā-shən 

1

: judgment, opinion

a poor choice in my estimation

2

a

: the act of estimating something

b

: the value, amount, or size arrived at in an estimate

3

: esteem, honor

Synonyms of estimation

• assessment
• appraisal
• estimate
• evaluation
• appraisement

Examples of estimation in a Sentence

This is not, in my estimation, an efficient use of our resources.

She went down in her supporters' estimation after she voted against the plan.

Planning the project requires careful cost estimation.

Recent Examples on the Web

In Lu’s estimation, consumers can still expect to see Canadian coats on the racks at retail. — Kate Nishimura, Footwear News, 27 Aug. 2026

Experimentation and large-scale production, in Kline’s estimation, have disappeared in response. — Daniel Cassady, ARTnews.com, 27 Aug. 2026

Most Americans don’t trust that any of it will actually work, and reporting shows kids find ways around the checks that do exist, including drawing on facial hair to fool age-estimation software. — Catherina Gioino, Fortune, 26 Aug. 2026

Despite the efforts, China still faces an annual shortfall of around 6,000 tons of plasma, according to a CNN calculation based on industry data and estimation of domestic demand cited by Chinese state media. — Cnn Staff, CNN Money, 23 Aug. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing estimation

• point estimation
• re-estimation
• rise in someone's estimation

Rhymes for estimation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

estimation

noun

es·​ti·​ma·​tion ˌes-tə-ˈmā-shən 

1

: judgment sense 3, opinion

2

: estimate entry 2 sense 3

3

: esteem entry 1