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

That was far more dangerous in Craighead’s estimation. —JSTOR Daily, 19 Nov. 2025

Roblox says the images of users’ faces will be used only for age estimation, and they’ll be deleted after users are placed in an age bucket. —Clare Duffy, CNN Money, 18 Nov. 2025

Simmons played all 70 offensive snaps and had two penalties accepted (three flagged) but received a passing grade in Reid’s estimation. —Blair Kerkhoff, Kansas City Star, 17 Nov. 2025

Set over a weekend in September of 1971, the music festival on the shores of Lake Avándaro originally scheduled 12 bands to perform, but ended up with 18 acts and hundreds of thousands of concertgoers over its original attendance estimation. —Rafa Sales Ross, Variety, 14 Nov. 2025

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