BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). 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, corroborate, substantiate, support, sustain
Within this category: back, document, prove, validate, verify, vouch
Sign not right? Or know a different sign?
Upload your sign now.