This is the 16328th most frequent Korean word.
비슷
Similar.
The word '비슷' is used here to indicate similarity between the subjects '우리의 생각' (our thoughts).
우리의 생각이 비슷하네요.
Our thoughts are similar.
Here, '비슷' combined with '-게' forms '비슷하게,' an adverb describing the manner in which the two people act alike.
저 두 사람은 정말 비슷하게 행동해요.
Those two people act very similarly.
In this case, '비슷' relates the similarity between the painting and the speaker's imagination.