The most common and most likely answer to this crossword clue is the 7 letter word COMMEND
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The straight part
We know that "salute" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case salute = commend.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 COMMEND mean?
COMMEND noun- Commendation; praise.
- (in the plural) Compliments; greetings.
- To congratulate or reward.
- To praise or acclaim.
- To entrust or commit to the care of someone else.
- To mention by way of courtesy, implying remembrance and goodwill.
- To recommend.
- To adorn; to set off.