Sort of like substituting "limb" for "leg". Actually I don't like the term evolution. It's pre-Darwinian and sounds like the working out of of a designed scenerio.
Natural Selection is incomplete, but would be preferal. The most accurate phrases are too long and wordy. Maybe we should bite the bullet and call it Darwinism.
I think we're stuck with it. The Darwinian sense of the word is in the dictionary and scientists use it.