transition

US /trænˈzɪʃ.ən/
UK /trænˈzɪʃ.ən/
"transition" picture
1.

the process or a period of changing from one state or condition to another

:
The company is undergoing a major transition to new management.
The transition from high school to college can be challenging.
1.

to undergo or cause to undergo a process of transition

:
The software needs to transition to a new operating system.
We need to transition our focus to customer satisfaction.