Accept welcome in Lagos, avoiding odd characters (5,2)

I believe the answer is:

agree to

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'accept' is the definition.
(I've seen this in another clue)

'welcome in lagos avoiding odd characters' is the wordplay.
I cannot quite see how this works, but
'welcome' could be 'greet' (to greet someone is to welcome them) and 'greet' is located in the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Another definition for agree to that I've seen is " Accept".)

I've seen this clue in The Independent.

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