certify
verb (used with object)
to attest as certain; give reliable information of; confirm.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The former will have certified rock-climbing guides belaying climbers and teaching climbing skills throughout the day at the rock wall.
From Seattle Times ● Oct. 6, 2023