ASL Sign Language Dictionary
Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: establish or strengthen as with new evidence or facts
"his story confirmed my doubts"; "The evidence supports the defendant";
Similiar / Same: confirm, substantiate, affirm, support, sustain
Within this category: back, vouch, verify, prove, document, validate
Sign not right? Or know a different sign?
Upload your sign now.