LINK / CITE ADD TO WORD LIST. noun. The definition of availability is whether someone or something can be accessed or used. An example of availability is when a classmate can meet to discuss a project on a certain date.
excuse - a defense of some offensive behavior or some failure to keep a promise etc.; he kept finding excuses to stay; every day he had a new alibi for not getting a job; his transparent self-justification was unacceptable
An argument is a rationale in which the reason functions as evidence in support of the conclusion. Its purpose is to provide a rational basis for believing the conclusion to be true. An explanation is a rationale in which the conclusion represents an accepted fact and the reason represents a cause of that fact.