When you give the definition of a word, you define it, but what(if there is) is the word for giving a synonym of a word?
The term is to synonymize , but it is not a common expression. You can say to provide a synonym/synonyms:
- To analyze or provide the synonyms of (a word or taxon).
(American Heritage® Dictionary)
- (Linguistics) (tr) to analyse the synonyms of or provide with synonyms.
(Collins)
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Synonymize was the very first word that came to my mind when reading the question, but it seemed too obvious to be true. Well I'll be damned... ;) – JJM Driessen Sep 13 '15 at 19:45