Here are the possible solutions for acted as 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