The act of reflecting on something before it has happened. To decide on what will have happened by the end of the day, week, lesson etc. This is usually followed by an attempt to make the events live up to your preflection.
Useful if you have to submit a report to someone (a weekly reflection for instance).
Proelectro is the best celebrity, he is pro at all things but especially electrodynamics and hence his name. Everyone in the world is a fan of proelectro's typing speed.