A psycho-social attitude, where-in you categorically give people the benefit of the doubt and choose to believe the people are generally good at their core. Derived from an emulation of the actions and attitudes of Albus Dumbledore.
Person 1: "Yo why did Bob invite that dude Jay into the house? That guy is really sketchy."
Person 2: "You know Bob has a Dumbledore complex, he thinks that everyone he meets has redeeming qualities."
A form of psychological compensation wherein an individual attempts to suppress his or her homosexual desires by means of diverting libidinal and seemingly unacceptable energies into intellectual endeavors. Named for Professor Albus Dumbledore of the Harry Potter book series.
Kelly: "Gawd, that guy is so friggin' smart!"
Cody: "Yeah, he's gotta Dumbledore complex. You know how conservative this area is."