What aspect is included in "truly knowing a word"?

The concept of "truly knowing a word" encompasses a comprehensive understanding that goes beyond simply recognizing its definition. Knowledge of a word entails grasping its definition and being able to apply it contextually in various situations. This means understanding the nuances of the word's meaning, discerning how it functions within different sentences, and identifying appropriate contexts in which to use it effectively.

For instance, a single word can have multiple meanings depending on the context or may carry connotations that influence how it is perceived. Therefore, true knowledge of a word involves an intricate interplay between its meaning and its application in real-life scenarios, which enables a speaker or writer to communicate more effectively.

While knowledge of pronunciation and historical usage can deepen one’s comprehension of a word, they do not fully satisfy the criteria of "truly knowing" it. Additionally, recognizing synonyms and antonyms enhances vocabulary but does not provide a holistic grasp of the word's full significance and use. Hence, understanding both its definition and contextual usage is key to mastering any word.