Arrive on shore, in a way, 6 letters
Clean the hands before dinner, 6 letters
Do it before dinner, 6 letters
Eventually float to shore, 6 letters
Get clean before dinner, 6 letters
Get ready for dinner, 6 letters
Get ready for dinner, maybe, 6 letters
Get ready for dinner, say, 6 letters
Mom's pre-dinner order, 6 letters
Mom's pre-meal instruction, 6 letters
Prepare for dinner, say, 6 letters
Preprandial order from Mom, 6 letters
What athletes do after a game, 6 letters