1. people who see an event happen
Usage: plural of witness
2. people who give testimony in a court of law
Usage: legal context
3. people who sign a document to confirm they saw it being signed
Usage: legal context

1. sees an event happen
Usage: third person singular present
2. experiences or lives through something
Usage: third person singular present

Examples

• The witnesses described what they saw at the accident scene.
• Three witnesses testified in court yesterday.
• We need two witnesses to sign the marriage certificate.
• She witnesses many changes in her neighborhood each year.
• The old building witnesses decades of history.
• Police are looking for witnesses to the robbery.
• The contract requires witnesses for all signatures.
• He witnesses his first solar eclipse tomorrow.