consensus - Dictionary definition and meaning for word consensus
con + sens + ous .. it can be seen as common sense.... that is common decision.....common aggrement!
consensus...consen(consent(means ..agrement)+sus...so if sus is chosen as a leader by commen CONSENt...
CON(togerther) + SENSUS(agreement) . so it is the agreement made by group of people all together
Census is the count of all people... consensus is a general agreement b/w all people. :-)