Turbulence = commotion, confusion, turmoil, disorder, instability
Turbulence = The word ‘turbulence' is widely used for the instability and tremors experienced by an aircraft while flying against wind storm.
Antonyms (Opposite meaning): stability
Use in sentences:
"Pilots are put to real test when they have to maneuver the aircraft against turbulence."
"Frequent flyers are used to turbulences while flying high."