Preregistering

Part of speech: verb

Definitions

1. Signing up or enrolling for something ahead of time, before the official registration period opens
2. Entering your details on a list in advance so you are included when the event or service begins
3. Completing sign-up formalities early, in readiness for a later opportunity to take part in something

Etymology: This is the present participle and gerund of "preregister", which is formed from the prefix pre-, from Latin "prae" meaning "before", attached to "register". The base "register" came into English through Old French from Medieval Latin "registrum", a written record or list.

Synonyms: pre-enroll