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 robot’s parkour and backflip videos, milestones reached through iterative control research over the years, are not just theatrical stunts but experiments in dynamic balance, state estimation, and whole-body coordination. —Kaif Shaikh, Interesting Engineering, 7 Nov. 2025

The rise of fintech has driven up savings and payments volumes in Africa, but only 2% of about 700 million African bank accounts are applied towards investments, by Aig-Imoukhuede’s estimation. —Alexander Onukwue, semafor.com, 4 Nov. 2025

The $1 billion estimation would be similar to the total cost of Golden 1 Center and the surrounding Downtown Commons project a decade earlier. —Sacbee.com, 3 Nov. 2025

The potential range of spread projected by the CDC covers more of the United States; however, some of the states in its most recent estimations have not confirmed the presence of Aedes aegypti. —Mary Walrath-Holdridge, USA Today, 29 Oct. 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