I made a list! (Inspired by the question and a bit by the other thread)
Ways to use therapy:
1) For company/ good convos... this is the basic one for me, I think all the rest of it follows from clicking well
2) Getting reassurance for making changes
3) Having honest feedback about what's not working
4) Talking about the past and how it influenced who you are today
5) Figuring out issues with relationships/ work
6) Getting inspired
7) Learning how to be assertive
8) Practicing setting and respecting boundaries
9) A role model (well this one depends on age and where you are in your life)
There are a million of these, these are just the tip of the iceberg.... I think you can still be doing a lot in therapy even if you don't set out with a goal of using therapy...