Definition: a poor example
Usage: it was an apology for a meal; a poor excuse for an automobile
Similar words: representative, illustration, instance, example
Definition: an item of information that is typical of a class or group
Usage: this patient provides a typical example of the syndrome; there is an example on page 10
Synonyms: apology
Definition: an expression of regret at having caused trouble for someone
Usage: he wrote a letter of apology to the hostess
Similar words: acknowledgement, acknowledgment
Definition: a statement acknowledging something or someone
Usage: she must have seen him but she gave no sign of acknowledgment; the preface contained an acknowledgment of those who had helped her
Definition: a formal written defense of something you believe in strongly
Similar words: defence, defense, vindication
Definition: the justification for some act or belief
Usage: he offered a persuasive defense of the theory