Crossword Genius

Justify the rise of crude bombast (7)

Ross

I believe the answer is:

warrant

'justify' is the definition.
(synonyms)

'the rise of crude bombast' is the wordplay.
'the rise of' is a reversal indicator.
'crude' becomes 'raw' (synonyms).
'bombast' becomes 'rant' (synonyms).
'raw' backwards is 'war'.
'war'+'rant'='WARRANT'

(Other definitions for warrant that I've seen before include "Authorise, justify" , "Travel pass" , "Document giving authority" , "Guaranty - authorisation to make an arrest" , "Justify; authorisation" .)

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