Established as if settled into a groove or rut(adjective)
WordNet. Princeton University. 2010.
Use "well-grooved" in a sentence
"They do not see what is not obvious, are unable to do the unexpected, are incapable of adjusting their well-grooved lives to other and strange grooves."
"How, then, to pull out of those well-grooved psychological ruts?"
"We walked our bikes around the fence, found the well-grooved trail on the other side, and set to pedaling again."