Noun

• S: (n) apology (an expression of regret at having caused trouble for someone) "he wrote a letter of apology to the hostess"
• S: (n) apology, apologia (a formal written defense of something you believe in strongly)
• S: (n) apology, excuse (a poor example) "it was an apology for a meal"; "a poor excuse for an automobile"
• direct hypernym / inherited hypernym / sister term
• S: (n) example, illustration, instance, representative (an item of information that is typical of a class or group) "this patient provides a typical example of the syndrome"; "there is an example on page 10"
• S: (n) information (knowledge acquired through study or experience or instruction)
• S: (n) cognition, knowledge, noesis (the psychological result of perception and learning and reasoning)
• S: (n) psychological feature (a feature of the mental life of a living organism)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))