passage, transition -- (the act of passing from one state or place to the next)
conversion, transition, changeover -- (an event that results in a transformation)
transition -- (a change from one place or state or subject or stage to another)
transition, modulation -- (a musical passage moving from one key to another)
transition -- (a passage that connects a topic to one that follows)
Overview of verb transition
The verb transition has 2 senses
transition -- (cause to convert or undergo a transition; "the company had to transition the old practices to modern technology")
transition -- (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")