An egregore (also spelled egregor; from French égrégore, from Ancient Greek ἐγρήγορος, egrēgoros 'wakeful') is a concept in Western esotericism of a non-physical entity or thoughtform that arises from the collective thoughts and emotions of a distinct group of individuals.[1][2][3]
Tremblay-2005
was invoked but never defined (see the help page).