The most common and most likely answer to this crossword clue is the 3 plus 2 letter word PUT UP
I've seen this crossword clue in The Guardian
P
U
T
U
P
Buddy explains!

The straight part
We know that "Accommodate" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case accommodate = put up.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 PUT UP mean?
PUT UP noun- Something prearranged or faked in order to trick someone or to advance one's own interests.
- (of an event) Secretly arranged in advance, especially in order to defraud someone or to advance one's own interests.