This is the 7113th most frequent Korean word.
제안이
"제안이" means "suggestion" or "proposal" in English.
제안이 is used to indicate 'suggestion' as the subject of the sentence.
제안이 좋은 생각이라고 말했어요.
They said that the suggestion was a good idea.
제안이 refers to 'suggestion' as the subject and is being described as creative.
당신의 제안이 정말 창의적이네요.
Your suggestion is really creative.
제안이 is used to indicate 'suggestion' as the subject that caused the surprise.