Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: the act of validating; finding or testing the truth of something
Your browser does not support HTML5 video.
Similiar / Same: substantiation, proof
Categories: determination, finding
Within this category: authentication, documentation, monetization, probate
Upload your sign now.
Add this video to your website by copying the code below.