Word with the same meaning (7)
I believe the answer is:
synonym
'word with the same meaning' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for synonym that I've seen before include "A word that can be interchanged with another" , "Equivalent word" , "A word that is interchangeable with another" , "Quick crossword clue" , "Word that can replace another in context" .)