Crossword Genius

Meet old man entertaining men say (10)

Ross

I believe the answer is:

foregather

'meet' is the definition.
(synonyms)

'old man entertaining men say' is the wordplay.
'old man' becomes 'father' (I've seen this before).
'entertaining' indicates putting letters inside.
'men' becomes 'OR' (military abbreviation for Other Ranks).
'say' becomes 'eg' (short for 'exempli gratia', 'for example' in Latin).
'or'+'eg'='oreg'
'father' enclosing 'oreg' is 'FOREGATHER'.

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