Magical powers were once thought to 'be attached to' the stone. [=the stone was once thought to have magical powers]
Little credibility 'was attached to' his story. [=people did not think that his story was very credible]
The shy child 'attached' herself 'to' her mother [=stayed close to her mother] during the whole party.
(..) to call her. Is there a problem? Sulley, you're not supposed to name it. Once you name it, you start getting attached to it! Now put that thing back where it came from, or so help me... Oh, hey! We're rehearsing a scene (..)2001 Monsters, Inc.