a change from one state or condition to another
We want to have a smooth transition when the new owners take control of the company.
the sometimes difficult transition from childhood to adulthood
The country made/underwent a peaceful transition from dictatorship to democracy.
The industry is undergoing transition. [=is changing in some important way]
The company is in transition [=is changing] as it adapts to the new management team.
— transitional /trænˈzɪʃənəl/ adjective
a transitional government
a transitional phase/period/stage