1. past tense of witness; saw or observed an event happen
2. past tense of witness; formally signed a document as an official observer
Usage: legal
3. past tense of witness; experienced or lived through something

Examples

• She witnessed the car accident from her window.
• The contract was witnessed by two lawyers.
• He witnessed many changes in the neighborhood over the years.
• The bystanders witnessed the entire argument.
• The document must be witnessed to be legally valid.
• They witnessed history in the making during the protest.
• The security camera witnessed the break-in.