WordNet sense 1 (the inherent capacity for coming into being):

potential, potentiality

WordNet sense 2 (the state of being potent; a male's capacity to have sexual intercourse):

potence

WordNet sense 3 (the power or right to give orders or make decisions):

authority, authorization, dominance, say-so, authorisation

WordNet sense 4 (capacity to produce strong physiological or chemical effects):

effectiveness, strength