This is the 156th most frequent Russian word.
таким
The Russian word "таким" means "such" or "like this" in English (instrumental case, masculine/neuter singular).
The word 'таким' emphasizes the quality 'successful' and indicates an admiration or notable observation of the state.
Он стал таким успешным человеком.
He became such a successful person.
Here, 'таким' emphasizes the state of the house being extraordinarily beautiful, describing its condition.
Я никогда не видел дом таким красивым.
I have never seen the house so beautiful.
In this usage, 'таким' forms an idiomatic expression 'Таким образом' meaning 'In this way', to indicate a manner of action or process.