This is the 3970th most frequent Turkish word.
cumhurbaşkanıyla
"With the president."
In this sentence, 'cumhurbaşkanıyla' indicates accompaniment, showing that the speaker is attending the meeting alongside the president.
Cumhurbaşkanıyla toplantıya katılacağız.
We will attend the meeting with the president.
Here, 'cumhurbaşkanıyla' is part of a phrase ('cumhurbaşkanıyla ilgili') that translates to 'about the president,' expressing a relation or connection to the president.
Cumhurbaşkanıyla ilgili yazılmış bir kitabı okudum.
I read a book written about the president.
In this sentence, 'cumhurbaşkanıyla' indicates that the interview was conducted with the president, specifying the person involved in the action.