* Evidence: This is a general term for anything that supports a claim or argument.
* Proof: While this is a noun form of "prove," it's more specific and refers to something that definitively establishes a truth.
* Verification: This implies a process of confirming something is true or accurate.
* Demonstration: This focuses on a tangible presentation of proof or evidence.
* Validation: This emphasizes the act of making something officially recognized as true or acceptable.
The best choice depends on the specific meaning you want to convey.