The most common and most likely answer to this crossword clue is the 6 letter word EMCEED
E
M
C
E
E
D
More clues leading to the result EMCEED
Buddy explains!

The straight part
We know that "Hosted" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hosted = emceed.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EMCEED mean?
EMCEED verb- To act as the master of ceremonies (for).
- To rap as part of a hip-hop performance.