- hush, stillness, still - (poetic) tranquil silence; "the still of the night"
--1 is a kind of silence, quiet
- stillness, windlessness - calmness without winds
--2 is a kind of calmness
- motionlessness, stillness - a state of no motion or movement
--3 is a kind of state
--3 has particulars:stationariness, immobility, fixedness; inaction, inactiveness