Answer:
Connotation
Step-by-step explanation:
-Denotation refers to the direct definition that a word has.
-Antonym refers to two words that have contrary meanings.
-Connotation is when a word has an idea or association beyond its meaning.
Synonym refers to two words that have the same meaning.
According to this, the answer is that when we speak of a word's additional, suggestive meaning, we are talking about its connotation.