This is the 412th most frequent German word.
stellte
"Stellte" is the German simple past tense of "stellen," meaning "placed" or "put."
Describes the act of placing something in a position.
Sie stellte die Vase vorsichtig auf den Tisch.
She carefully placed the vase on the table.
Refers to the act of posing a question.
Er stellte die Frage, ob alle bereit waren.
He asked the question if everyone was ready.
In this reflexive construction, it means to imagine something.