to way of thinking

to (one's) way of thinking

According to one's belief, opinion, or point of view. They demand that all their employees adhere to their way of thinking regarding the issue, threatening to fire anyone who speaks publicly against it. To our way of thinking, shifting focus to the mobile phone market has the potential to increase revenue by 37% year on year.
See also: of, thinking, way
Farlex Dictionary of Idioms.

to someone's way of thinking

in someone's opinion. This isn't satisfactory to my way of thinking. To my way of thinking, this is the perfect kind of vacation.
See also: of, thinking, way
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • to (one's) way of thinking
  • to my, your, etc. way of thinking
  • count (one's)/the pennies
  • count the pennies
  • (one's) day in court
  • adhere
  • adhere to
  • adhere to (something)
  • (from) top to toe
  • (one's) old man