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

The third-party auditing will also give the agency a window into Roblox’s age estimation tools, eSafety said. — Ashley Belanger, ArsTechnica, 20 Aug. 2026

Castro is a flight risk in the estimation of both Ellison and Moriarty. — Anthony Bettin, CBS News, 18 Aug. 2026

The mileage estimation, snow certification and quiet ride are enough to convince most buyers that these tires are worth the price. — Scotty Reiss, Forbes.com, 17 Aug. 2026

The 35-player preseason list for the award that goes to the nation’s top defensive back didn’t have an Illinois player on it, and by Bielema’s estimation both Scott and Bailey deserved a nod. — Colleen Kane, Chicago Tribune, 15 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