Here are the possible solutions for acted as a host clue
Answer
Clue
Relevancy
emceed
Clue
Acted as host
Acted the host
Definition
EMCEE, to serve as master of ceremonies
greeted
Clue
Acted as a host
Definition
GREET, to address in a friendly and courteous way
donp
Clue
Outspoken "CNN Tonight" host ... or outspoken "Hockey Night in Canada" host, whomever is more to your taste
ian
Clue
Michael ___ Black ("Trust Me, I'm a Game Show Host" game show host)
jasonsklar
Clue
Comedian/former ESPN host whose twin brother Randy is also a comedian/former ESPN host
mixingitup
Clue
Host: "Well, that's because it's an anagram of your name. I guess it gives new meaning to the phrase '___'!" Flay: "Wait ... what?" Host: (Ding!) "And there's the timer! Tune in tomorrow for another t