Leadership

noun
1.The position or function of a leader, a person who guides or directs a group:

She managed to maintain her leadership of the company despite the negative attacts.
Synonyms: administration, management, directorship, control,governorship, stewardship, hegemony.
2.Ability to lead:

As early as kindergarten she displayed remarkable leadership potential.
3. An act or instance of leading; guidance; direction:

They prospered under their strong leadership.
4.The leaders of a group:

The union leadership agreed to arbitrate.
Synonyms: authoritativeness, influence, command, effectiveness.