1. (lit.) to sink down, to settle Mil.35.
2. (fig.) to subside, to become quiet MN.i.121; SN.iv.196; AN.ii.157

caus sannisādeti to make quiet to calm MN.i.116; AN.ii.94
caus 2 sannisīdāpeti to cause to halt Ja.iv.258
pp sannisinna.

saṃ + nisīdati