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.
(..) with the super bark? I really can't talk about it. It's classified. I suggest you pipe down and take me to Penny. You're awfully attached to this Penny character, huh wags? - She is my person. - Oh, please. She's a person. And if you ask me, the only good person is a... (..)2008 Bolt