O anda Boston'da olmak müthiş heyecan vericiydi.
- It was tremendously exciting to be in Boston at that time.
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.
... Was something wrong? ...
... the ' and the president's statement of my policy is completely and totally wrong. ...