Crossword Genius

Sure to be particular (7)

Ross

I believe the answer is:

certain

I believe this clue is a double definition.

'sure' is the first definition.
(similar in meaning)

'be particular' is the second definition.
(I've seen this before)

'to' acts as a link.

(Other definitions for certain that I've seen before include "Decided" , "Unquestionable" , "Absolutely sure" , "Sure, definite" , "Proved beyond doubt" .)

I've seen this clue in The Globe and Mail.
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