level out

level out (third-person singular simple present levels out, present participle levelling out or leveling out, simple past and past participle levelled out or leveled out)

1. (intransitive) To become even.
   • 2016 October 24, Owen Gibson, “Is the unthinkable happening – are people finally switching the football off”, in The Guardian‎, London:

     Will the seemingly insatiable demand for the product ever level out?

2. (transitive) To cause (something) to be even.
   • 1937, Karen Blixen, Out of Africa‎, London: Putnam, Part 5, Chapter 3:

     Mohr took some of them with him to make a road for the lorry, from the highroad to the grave, they levelled out the ground, cut off branches from the bush and heaped them on the path, for the ground was slippery.