Rejoice in the name of…
Definition 1 of 1
Pro Tip 1/3Religious Context
It's often used in religious gatherings to express collective joy. 
We rejoiced in the name of the Lord at the Easter service.
Pro Tip 2/3Honor and Respect
The phrase indicates joy or celebration out of respect for someone or something. 
The community rejoiced in the name of the local hero for his bravery.
Pro Tip 3/3Figurative Use
It can be used metaphorically to show strong enthusiasm for an idea or cause. 
Activists rejoiced in the name of peace during the rally.