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";
How to sign: lengthen or extend in duration or space
"We sustained the diplomatic negociations as long as possible"; "prolong the treatment of the patient"; "keep up the good work";
Within this category: retain