When you need a way to describe someone's quick-thinking abilities, it's important to have a variety of synonyms at your disposal. Instead of simply saying someone is "quick-thinking," you could also use words like "nimble-minded," "resourceful," or "alert." Other synonyms to describe quick-thinking include "adaptable," "resourceful," and "astute." Additionally, you could use words like "clever" or "intuitive" to highlight someone's ability to quickly come up with solutions or make decisions. Whether you're writing a character description or discussing someone's strengths in a professional setting, having a range of synonyms for "more quick-thinking" will help you accurately and effectively convey that person's abilities.