"Sense" as in "mood" or "feelings":
Sign FEEL twice:






Also see: FEEL
If you want to sign "sense" as in: "It makes sense" -- tap the
side of your forehead twice with your index finger
while nodding just a bit.
"Ah, that makes sense!:



Common Sense: Touch the thumb of a "C" hand to your forehead and
then move the hand out a bit while changing the handshape to an
"S-hand."
COMMON SENSE:


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American Sign Language (ASL) online at American Sign Language University ™
ASL resources by Lifeprint.com © Dr. William Vicars