Final answer:
The exclusive members-only side of the ADPi website is called Pride Online, serving as a resource hub for initiated members.
Step-by-step explanation:
The members-only side of the Alpha Delta Pi (ADPi) website is known as the Pride Online. It is a web portal exclusively available to initiated members of the sorority. As such, this portal allows members to access a range of sorority-specific resources, which could include sensitive information related to sorority operations, private forums, member directories, and resources for chapter management and organizational business.