The Collaborative International Dictionary of English v.0.48:
Innkeeper \Inn"keep`er\, n. One who keeps an inn; the proprietor or manager of an inn or hotel. Syn: innholder. [1913 Webster +PJC]WordNet (r) 3.0 (2006):
innkeeper n 1: the owner or manager of an inn [syn: host, innkeeper, boniface]