Falsify (verb)

1. To make false or incorrect by altering or distorting the truth.
2. To prove to be false or incorrect.

Origin:

From the latin word "falsificare" meaning "to make false".

Examples:

1. He falsified the data in the experiment to make it seem more favorable.
2. The accusations were falsified by the evidence presented in court.
3. The statement was falsified by the witness's testimony.
4. He was charged with falsifying the company's financial records.
5. The results of the study were falsified by the researchers.