Finding the right words to describe someone who is more mature can be challenging but there are synonyms that can help. If you want to describe someone who is more mature and experienced, you can use words like seasoned, cultured, seasoned and sophisticated. You can also use words like refined, polished, developed, accomplished, and worldly to describe people who have acquired more experience and expertise in life. Words like wise, sagacious, astute, sagacious, and insightful can help you communicate someone's intelligence and wisdom that come with maturity. Using these synonyms for more mature can help make your writing more captivating and engaging while bringing out the right character traits in the individual.