know where one is coming from

know where (one) is coming from

To understand or relate to one's motivation or reason for doing something or having a particular position or opinion. Look, I know where you're coming from—and I kind of agree with you—but rules are rules, and we can't just ignore them whenever we want. Make sure you explain your situation clearly so that everyone knows where you are coming from.
See also: coming, know
Farlex Dictionary of Idioms.

know where one is coming from

to understand someone's motivation; to understand and relate to someone's position. I know where you're coming from. I've been there. We all know where he's coming from. That's why we are so worried.
See also: coming, know, one
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • know where (one) is coming from
  • know where someone is coming from
  • where (one) is coming from
  • where one is coming from
  • where somebody is coming from
  • where someone is coming from
  • all the more reason for
  • all the more reason for (doing something)
  • all the more reason to (do something)
  • run out of steam, to