in turn

prep_phrase

1. One after the other; one at a time; in succession; successively.

   “The teacher answered the students each in turn.”

   “Each member of the group, in turn, rose to share a personal story, until nearly everyone in the room had spoken.”

2. In due order; in proper sequence; in a determined or measured sequence, as a waiting line or queue.

   “You are next in turn to bat.”

   “The boy was next in turn to sit on Santa's lap.”

3. In response; in return.

   “The musical ambassadors finished their performance, and the local musicians in turn played for them a traditional ballad.”

   “With great humility, I call upon all Americans to help me keep our nation united in defense of those ideals which have been so eloquently proclaimed by Franklin Roosevelt. I want in turn to assure my fellow Americans and all of those who love peace and liberty throughout the world that I will support and defend those ideals with all my strength and all my heart.”

4. Having a relationship sequentially comparable to one just mentioned; accordingly or similarly, with respect to sequence, precedence, or hierarchy.

   “The vassals were subject to their lords, who in turn were subject to barons or kings.”

   “My car was hit by a truck, which in turn was hit by the van.”