The Collaborative International Dictionary of English v.0.48:

Pastorate \Pas"tor*ate\, n. [Cf. F. pastorat. See Pastor.]
   The office, state, or jurisdiction of a pastor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pastorate
    n 1: pastors collectively
    2: the position of pastor [syn: pastorship, pastorate]

Moby Thesaurus II by Grady Ward, 1.0:

82 Moby Thesaurus words for "pastorate":
   abbacy, administration, apostleship, archbishopric, archdeaconry,
   archiepiscopacy, archiepiscopate, auspices, bishopdom, bishopric,
   call, canonicate, canonry, cardinalship, care, care of souls,
   chaplaincy, chaplainship, charge, church house, clergy house,
   curacy, cure, custodianship, custody, deaconry, deaconship,
   deanery, deanship, episcopacy, episcopate, glebe, governance,
   government, guardianship, guidance, hands, holy orders,
   jurisdiction, keeping, management, manse, ministry, oversight,
   parsonage, pastorage, pastoral care, pastorship, patronage,
   prebend, prebendaryship, prelacy, prelateship, prelature,
   presbyterate, presbytery, priesthood, priestship, primacy,
   protectorship, rabbinate, rectorate, rectorship, rectory,
   sacred calling, safe hands, stewardship, the church, the cloth,
   the desk, the ministry, the pulpit, tutelage, vicarage, vicariate,
   vicarship, vocation, ward, wardenship, wardship, watch and ward,
   wing