1. the act of making something false or incorrect by changing or misrepresenting it
2. something that has been made false or incorrect

Examples

• The falsification of documents is a serious crime.
• Scientists work to prevent the falsification of research data.
• The audit revealed several falsifications in the financial records.
• His falsification of the evidence led to his conviction.
• The historian exposed the falsification of historical documents.
• The company was fined for falsification of safety reports.