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.
proactive - descriptive of any event or stimulus or process that has an effect on events or stimuli or processes that occur subsequently; proactive inhibition; proactive interference. 1  psychological science, psychology - the science of mental life. retroactive - descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously.