Open English Wordnet
Nouns
Verbs
(v)calm, calm down, quiet, tranquilize, tranquillize, tranquillise, quieten, lull, stillmake calm or still“quiet the dragons of worry and fear”
Adjectives
(s)inactive, motionless, static, stillnot in physical motion“She remained motionless, yet poised to take flight”
(s)placid, quiet, still, tranquil, smooth, unruffled(of a body of water) free from disturbance by heavy waves“a ribbon of sand between the angry sea and the placid bay”, “the quiet waters of a lagoon”, “a lake of tranquil blue water reflecting a tranquil blue sky”, “a smooth channel crossing”, “scarcely a ripple on the still water”, “unruffled water”
Adverbs
(r)however, nevertheless, withal, still, yet, all the same, even so, nonetheless, notwithstanding, at the same timedespite anything to the contrary (usually preceding a concession)“although I'm a little afraid, however I'd like to try it”, “while we disliked each other, nevertheless we agreed”, “he was a stern yet fair master”, “granted that it is dangerous, all the same I still want to go”
(r)still, stock-stillwithout moving or making a sound“he sat still as a statue”, “time stood still”, “they waited stock-still outside the door”, “he couldn't hold still any longer”