If you say
that something will happen
when the dust settles
, you mean that a situation
will be clearer after it has calmed
down. If you let the dust settle
before doing something, you let a situation calm down before you try
to do anything else.
Once the dust had settled Beck defended his decision.
I think we need to let the dust settle and see what's going to happen after that.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers