Full American Lifeguard AssociationÂ® Profile. The American Lifeguard Association (ALA) has been offering training for over 25 years. It is a national educational association that has the full support of both the Swimming Pool and Spa Association and Global Lifeguards, a nonprofit 501(c)(3) organization.
Retroactively definition, operative with respect to past occurrences, as a statute; retrospective: a retroactive law. See more.
Definition of Retroactive Interference. Suppose that you were an international business major intent on working in Italy and France. You spent the last two years learning how to speak French and managed to master the language.