substantively.

In relation to the essential content or real importance of something, rather than its surface or procedure.

Use it for

Words that belong together

• substantively different
• substantively important

On the page

The revision was substantively important even though it changed only one paragraph.

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. Commonness: moderately common.