Occasion for hearty sentiments? (4)

I believe the answer is:

time

I'm a little stuck... Click here to teach me more about this clue!

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

'hearty sentiments?' is the wordplay.
'TIME' is hidden within the letters.
But, I'm not sure how the hidden word is indicated.

'for' is the link.

Can you help me to learn more?

(Other definitions for time that I've seen before include "Age" , "The fourth dimension?" , "Speech to close pub" , "> moment" , "See 15" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.