Think of Definition 1 of 4Pro Tip 1/3Emotional Connection Use 'think of' to express fondness or nostalgia about someone or something. Whenever I think of my grandmother, I feel warm inside. Pro Tip 2/3Trigger Memory 'Think of' often signals a memory or image triggered by something else. The smell of roses makes me think of springtime. Pro Tip 3/3Association Link 'Think of' can imply a strong connection in your mind between two concepts. I can't think of rain without thinking of umbrellas.