Obvious to many a listener (5)

I believe the answer is:

clear

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'obvious' is the definition.
(similar in meaning)

'many a listener' is the wordplay.
'many a' becomes 'cl' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'listener' becomes 'ear' (body part which hears or listens).
'cl'+'ear'='CLEAR'

'to' acts as a link.

Can you help me to learn more?

(Other definitions for clear that I've seen before include "Distinct - obvious" , "Free from blame" , "Comprehensible" , "With no jams" , "Obvious; remove obstructions from" .)

I've seen this clue in the Evening Standard.

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