A demonstrative argument; a proof. Obsolete.

A sign or indication that something is true; a thing or circumstance which establishes the truth of a claim or theory; (a piece of) evidence or…

A conclusive proof.

Convincing proof; an instance of this. Obsolete.

A clenched fist (also figurative a ‘knock-down’ argument).

The adverb ergo used as a name for itself; hence, a conclusion, a conclusive authorization.

Demonstration, absolute proof.

(a) Arguing, quibbling, wrangling. (b) Logical conclusions.

figurative. A clenching statement, etc.; a clencher.

A conclusive statement, argument, etc.; a ‘finisher’, ‘settler’. colloquial.

He who or that which clenches; a statement, argument, etc., which clenches or settles the point (more commonly clincher); formerly also = clincher, n.…