predict based on what we know

extrapolate

verb|/ɪkˈstræp.ə.leɪt/

Extend known information to predict unknown outcomes

Examples

In a meeting

If we extrapolate from current trends, we'll hit our target by July.

Over coffee

Based on how the first episode went, I can extrapolate that this series will be amazing.

Why this word

infer

Extrapolate specifically means extending known data to predict unknown values, while infer is broader logical reasoning

predict

Extrapolate bases predictions on extending existing trends or data patterns, while predict is vaguer about methodology

guess

Extrapolate involves systematic projection from data, while guess lacks the methodological basis

Usage tip

Use when making predictions or estimates based on existing data or trends

Etymology

Latin 'extra' (outside) + 'polire' (to polish, smooth)

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