wiseness Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the quality of being wise and knowledgeable. Example Sentence She showed great wiseness in her decision-making. More Example Sentences Wiseness comes from learning and experience. Synonyms wisdom; insight; sagacity Antonyms ignorance; foolishness; naivety Hear It! Say It! Write It! wiseness Switch to cursive Start Share with your friends: