The most common and most likely answer to this crossword clue is the 4 plus 5 letter word MAKE SENSE
I've seen this crossword clue in The Times
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More clues leading to the result MAKE SENSE
- Seek changes in accommodation for minister and be reasonable
- Be reasonable as men seek to be redeployed
- Be reasonable: seek changes in minister’s house
- Forms filled in by a nurse have ultimately to be understandable
- Be rational – models could be perfect topless
- Mensa seek changes — be logical!
- Eastern man seeks rogue to come together
- Add up brands supported by Home Counties … about twenty essentially.
Buddy explains!
The straight part
We know that "be reasonable" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case be reasonable = make sense.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.