Abstract: A computer software program that enhances the readability of electronic documents containing abbreviation or acronym. The program automatically identifies abbreviations and acronyms based on their first definitional use. It then identifies each subsequent use of the abbreviation or acronym and substitutes the appropriate full word or phrase for the abbreviation or acronym. Optionally or alternatively, the program may also identify abbreviations or acronyms that are in general use but have not been specifically defined within the document and offers substitution of the appropriate full word or phrase.