solely
US /ˈsoʊl.li/
UK /ˈsoʊl.li/

1.
yalnızca, sadece, tek başına
only; not involving anyone or anything else
:
•
He is solely responsible for the error.
Hatadan yalnızca o sorumludur.
•
The decision rests solely with you.
Karar yalnızca size aittir.