transition

An event that results in a transformation.

A musical passage moving from one key to another.

The act of passing from one state or place to the next.

A change from one place or state or subject or stage to another.

A passage that connects a topic to one that follows.

Cause to convert or undergo a transition.

“the company had to transition the old practices to modern technology”

Make or undergo a transition (from one state or system to another).

“The airline transitioned to more fuel-efficient jets”

“The adagio transitioned into an allegro”