transition in WordNet English dictionary

1. an event that results in a transformation
   conversion  transition  changeover 
   
2. a musical passage moving from one key to another
   transition  modulation 
   
3. the act of passing from one state or place to the next
   passage  transition 
   
4. a passage that connects a topic to one that follows
   transition 
   
5. a change from one place or state or subject or stage to another
   transition 
   

1. 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"
   transition 
   
2. cause to convert or undergo a transition
   "the company had to transition the old practices to modern technology"
   transition