slackened tension
slavish imitation
sledge-hammer blows
sleepless soul
sleepy enchantment
slender resource
slight acceleration
slovenly deportment
slow stupefaction
sluggish resolution
slumbering stream
smacking breeze
small aptitude
smiling repose
smirking commonplace
smoldering resentment
smothered sob
smug hypocrisy
snappish impertinence
sneering jibes
snowy whiteness
snug retreat
soaring ambition
sobbing wail
sober melancholy
social banalities
sociological bearing
soft allurement
solemn emptiness
solid knowledge
solidifying substance
solitary grandeur
somber relations
somewhat scandalized
somnolent state
sonorous simplicity [sonorous = full, deep, rich sound; impressive in style of speech]
sophistical argument
soporific emanations [soporific = inducing sleep]
sordid selfishness
sorely beset
sorrowful resignation
soulless mechanism
sounding verbiage
sourly ascetic
sovereign panacea
spacious tracklessness
sparkling splendor
specialized skill
specific characteristics
specious artifice [specious = having the ring plausibility but actually fallacious]