(idiom) to change one's approach according to the situation; pragmatic; flexible; to adapt to changing conditions

to adapt to a situation as it changes; to act according to circumstances or be resourceful in the face of change

respond to an emergency or contingency; manage an urgent situation

(mathematics) a variable in an equation whose value is determined by the values of other variables

the ability to respond to changes or handle emergencies; resourcefulness

the practice of managing organizational changes within a business or project