O, öğle yemeğinde zamanında olmak için babasına söz verdi.
- She promised her father to be in time for lunch.
Planında olmak istiyorum.
- I want to be in your plan.
See here what it says in Wiktionary. So, you were in the wrong about the meaning of that word.
... wrong about my first premise, that there was a lack of will. ...
... So we have multiple copies in case something goes wrong with ...