Crossword Genius

Provide entertainment for those on the watch! (8)

Ross

I believe the answer is:

televise

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'watch' is the definition.
The answer and definition can be both to do with communicating as well as being verbs in their base form.
Perhaps they are linked in a way I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for televise that I've seen before include "Broadcast visual images" , "Put on TV (S, not Z)" , "Air, broadcast" , "Put on the box" , "Show" .)

I've seen this clue in The Irish News.
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