Similar Meaning:
* Throughout - emphasizes the entire duration of the period
* In - more general, can refer to time or place
* Within - emphasizes being enclosed within a specific period
* Throughout - emphasizes the entire duration of the period
* Over - implies a longer period of time
* While - used to show that something happens at the same time as something else
For Specific Times:
* In the course of - for a process or event
* At - used for specific moments in time
* While - used to show that something happens at the same time as something else
Example:
* During the meeting, we discussed the new plan.
* Throughout the meeting, we discussed the new plan.
* In the meeting, we discussed the new plan.
* Over the course of the meeting, we discussed the new plan.
* While we were having the meeting, we discussed the new plan.
The best synonym for "during" will depend on the context and the specific nuance you want to convey.