ASL Sign Language Dictionary

Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign ASL Android App. Download for free.


How to sign: consistent with or based on or using reason
"rational behavior"; "a process of rational inference"; "rational thought";

Sorry, no video found for this word.

See also: logical, reasonable, sensible, sane

Do you know the sign for this?

Upload your sign now.