The word "shake ups" typically refers to significant changes or disturbances in a situation or organization. The antonyms, or opposites, of this term would involve maintaining the status quo or stability. Some examples of antonyms for shake ups might include "consistency" or "reliability," which suggest a sense of steadiness and predictability. Other possible antonyms may include "calm," "peace," or "harmony," which implies a lack of disruptive influences. In contrast to a shake up, these antonyms often connote a sense of order, placidity, and a lack of sudden or unexpected changes.