Encourage revolutionary queen (5)

I believe the answer is:

cheer

'encourage' is the definition.
(cheering is a kind of encouraging)

'revolutionary queen' is the wordplay.
'revolutionary' becomes 'che' (Che Guevara the Marxist revolutionary).
'queen' becomes 'ER' (abbreviation for Elizabeth Regina).
'che'+'er'='CHEER'

(Other definitions for cheer that I've seen before include "Inspirit" , "Root" , "Vocal sound of applause" , "Applaud vocally, hurray etc" , "Merriment" .)

I've seen this clue in The Mirror.

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