Definition: Calm, peaceful, and untroubled; tranquil.
Same sign for CALM.
Gloss: IX/\ REGARDLESS/NOT-MATTER IX NOT SPEAK, POSS FAMILY/\ CL:family IX1 CL:1 APPROACH/\ CL:C TEND-to CALM-DOWN + AFFECT.
English equivalent: Even if he doesn't speak, his mere presence has a calming effect on the family.
Spatial agreement of the subject (the man) and the subject (the family) with the verb (calm down and affect).