"he wanted some stills for a magazine ad"

"the still of the night"

"the inertia of an object at rest"

"a silent house"
"soundless footsteps on the grass"
"the night was still"

"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"

"a still photograph"
"Cezanne's still life of apples"

"a still wine"
"still mineral water"

"a still pond"
"still waters run deep"

"it's still warm outside"
"will you still love me when we're old and grey?"

"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"

"looked sick and felt even worse"
"an even (or still) more interesting problem"
"still another problem must be solved"
"a yet sadder tale"

"he sat still as a statue"
"time stood still"
"they waited stock-still outside the door"
"he couldn't hold still any longer"

"quiet the dragons of worry and fear"

"Please silence the children in the church!"

"The news eased my conscience"
"still the fears"