Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: understand, usually after some initial difficulty
"She didn't know what her classmates were plotting but finally caught on";
Similiar / Same: catch on, get wise, get onto, cotton on, get it, latch on, twig
Categories: apprehend, compass, comprehend, dig, get the picture, grasp, savvy
How to sign: fall down, as if collapsing
"The tower of the World Trade Center tumbled after the plane hit it";
Similiar / Same: topple
Categories: come down, descend, fall, go down
Within this category: keel over
How to sign: a sudden drop from an upright position
"he had a nasty spill on the ice";
Within this category: wipeout
