Witnessed

verb

1. To furnish proof of, to show.

   "1667: round he throws his baleful eyes / That witness'd huge affliction and dismay — John Milton, Paradise Lost, Book 1 ll. 56-7"

2. To take as evidence.
3. To see or gain knowledge of through experience.

   "He witnessed the accident."

4. (construed with to or for) To present personal religious testimony; to preach at (someone) or on behalf of.
5. To see the execution of (a legal instrument), and subscribe it for the purpose of establishing its authenticity.

   "to witness a bond or a deed"