Noted means well-known or famous, usually because of some particular achievement or quality. A noted scientist is someone the scientific community recognizes for important discoveries. A noted author has written books that many people have read and admired.

The word carries a sense of earned recognition. You become noted for something specific: someone might be a noted expert on butterflies or a noted pianist. It's more formal than just saying “famous.” While a celebrity might be famous for being on TV, a noted professor has built a reputation through years of solid work and accomplishment.

You'll often see noted in introductions: “We're pleased to welcome noted marine biologist Dr. Sarah Chen.” This tells you she's respected in her field before she even speaks. The word suggests that knowledgeable people have taken notice of her work and consider it valuable.

Noted can also mean “written down” or “noticed,” as in “The teacher noted that several students were absent.” But when describing a person, it almost always means recognized and respected for their achievements.