The scientist substantiated her theory with extensive research.

The new evidence provided substantiative support for the defendant's claim.

The claim made by the witness was substantiable with concrete evidence.

The substantiators are responsible for providing evidence in the court.

The forensic expert provided crucial evidence that substantiated the defendant's alibi.

The substantiability of the claim is still under investigation.

The artist substantialised his vision through his artwork.

He substantialises his ideas through thorough research.

She is substantialising her business by investing in new technology.

He tried to substantialise his ideas by providing concrete examples.