ADJ

charming, generous, genial, good, perfect, welcoming
George was a perfect host

VERB + HOST

act as, play
The village is playing host to a film crew

HOST + NOUN

club, community, country, family, government, nation, society, state
The host club is to be congratulated on its organization of the tournament

PREP

~ to
The acre of garden is host to a splendid bank of rhododendrons

ADJ

chat-show, game-show, talk-show, television, TV
The event will be opened by television host Bill Punter