I am trying to find a word which is used to describe someone, who really knows what he wants and how to achieve it, but more important - He has the idea in mind and its clearly visible that he is focused in achieving it. Purposeful is a good candidate, but maybe there is a better one?
The sentence in which this word will be used is: "You are so ..(here lays the word, which I'm looking for)..".
This should be a complement. There is a bulgarian word, which perfectly fits and it is exactly what I'm trying to say/translate and it is: "целеустремен".