Conclusive

Adjective

Definition: (of evidence or argument) having or likely to have the effect of proving a case; decisive.

Synonyms: Decisive, Definitive, Final, Convincing

Antonyms: Inconclusive, Doubtful, Uncertain, Ambiguous

Examples:

The DNA test provided conclusive evidence that he was guilty.
The witness's testimony was crucial in reaching a conclusive verdict.

Mnemonics:

Think of "conclusive" as "concluding" or "bringing an end" to a matter.

Etymology:

Origin:

The word "conclusive" comes from the Latin word "conclusivus," which is derived from the verb "concludere" meaning "to close" or "to conclude".

Historical Usage:

The term has been used in English since the early 17th century and has maintained a consistent meaning related to decisiveness or finality.

Related Idioms:

Idiom:

"Jump to a conclusive decision"

Explanation:

To hastily reach a final decision without considering all the available evidence or facts.

Misconceptions:

Misconception:

Confusing "conclusive" with "conclusory".

Explanation:

"Conclusive" means arriving at a definite or conclusive result, while "conclusory" refers to a statement or argument that is based on a conclusion without supporting evidence.