1 down
Brand
accepts
plan
backing
guarantee
(4,4)
Brand accepts plan backing guarantee (4,4)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Here guarantee is the definition, meaning to make sure. Take MAKE for "brand" and split it open to hold RUSE (a "plan") reversed for "backing", giving ESUR, so MAK-ESUR-E spells the answer.