"enlarge" in the verb sense
"She enlarged the flower beds"
2. blow up, enlarge, magnify
"blow up an image"
become larger or bigger
4. elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, expound, dilate
add details, as to an account or idea clarify the meaning of and discourse in a learned way, usually in writing
"She elaborated on the main ideas in her dissertation"
Source: WordNet® (An amazing lexical database of English)
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