pyöritellä (englanniksi)

rotate (v)
roll (v)
reel (v: repeatedly)
mull (v)
ponder (v)
cogitate (v)
ruminate (v)
turn over (v: to work over mentally)
dwell on (v: to continue to think or talk about something)
prevaricate (v: to shift or turn from direct speech or behaviour; to evade the truth; to waffle or be intentionally ambiguous)