Cotton to Definition 1 of 2Pro Tip 1/3Cultural Nuance Understand 'cotton to' sometimes conveys a sense of informality and is used more in casual conversation. After a few jokes, she really cottoned to me. Pro Tip 2/3Emotional Shift 'Cotton to' can imply a change of heart towards something or someone. He finally cottoned to the new policies. Pro Tip 3/3Subtle Skepticism Sometimes 'cotton to' is used to express reluctant acceptance rather than enthusiasm. I guess I can cotton to that idea.