This is the 17074th most frequent Korean word.
생각나
"생각나" means "to come to mind" or "to remember."
In this sentence, "생각나" addresses memories or ideas that spontaneously arise in one's mind.
옛날 일이 문득 생각나네.
A past event suddenly comes to mind.
Here "생각나" is used to describe recalling a specific desire or thought regarding something.
먹고 싶었던 음식이 갑자기 생각나서 주문했어요.
I suddenly thought of a dish I wanted to eat, so I ordered it.
In this example, "생각나" reflects the inability to recall or formulate a satisfactory response or thought.