The answer to the crossword for the term ENDEAVORING TO BE is ALA, which stands for 'American Library Association.' The American Library Association is a nonprofit organization that works to promote library services and literacy. It was founded in 1876 and has since grown to become the largest library association in the world. The organization works to ensure that libraries are accessible to all people and that library services are of the highest quality. Through its advocacy efforts, the ALA strives to ensure that libraries remain an important part of our society.