axiomatically.

1. As a starting assumption or accepted principle rather than a conclusion established within the argument.

2. As something taken to be obviously true.

Use it for

Words that belong together

• axiomatically defined
• axiomatically assumed

On the page

The relation is axiomatically defined before any consequences are derived.

Usage notes

Primary category: academic / formal. Forms: Invariable adverb. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: analysis, explanation, qualification. Commonness: moderately common.