# well-founded

> English word · Adjective

## Definitions
1. Based on reasoning, evidence and good judgement.
2. Properly substantiated.
3. Of a binary relation: such that every non-empty subset of the relation's domain has a minimal element with respect to the relation.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/well-founded