conclusively.

In a way that settles the relevant question on adequate grounds.

Use it for

Words that belong together

• conclusively establish
• conclusively demonstrate

On the page

The dated record conclusively established the sequence of the two events.

The test conclusively demonstrated the defect under the stated conditions.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Invariable adverb; use more or most only where natural. 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: effect assessment, evidence qualification, conditional reasoning, method comparison. Disciplines: argumentation, research interpretation, analytical writing. Commonness: moderately common.