The most common and most likely answer to this crossword clue is the 6 letter word PLENUM
P
L
E
N
U
M
More clues leading to the result PLENUM
- Shorter of dashes into cushy chamber
- Choice to get width of printing in completely filled space
- Ample number to host a full meeting
- Meeting nurse in a sort of jam
- Assembly line introduced into prison with some hesitation
- Regularly seen in first class assembly
- Excellent lodges being regularly chosen for meeting
- Meeting in multiple numbers
- Ample numbers contributing to a full assembly
- Wodehouse films mostly end in full house
Buddy explains!

The straight part
We know that "meeting" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case meeting = plenum.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 PLENUM mean?
PLENUM noun- A space that is completely filled with matter.
- A state of fullness, a great quantity (of something).
- A legislative meeting (especially of the Communist Party) in which all members are present.
- An enclosed space having greater than atmospheric pressure.
- The space above a false ceiling used for cables, ducts etc.
- A type of network cabling which satisfies plenum-ratings issued by the National Electrical Code. These cables produce less smoke and fumes in the event of fire.