eloquent
ˈɛləkwənt/
adjective
adjective: eloquent
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fluent or persuasive in speaking or writing.“an eloquent speech”
synonyms: 
persuasive, expressive, articulate, fluent; More antonyms: inarticulate -
clearly expressing or indicating something.“the bus journey alone is eloquent of class inequality”
synonyms: 
expressive, sensitive, meaningful, suggestive,revealing, telling, significant, indicative “her dark eloquent eyes lifted up”
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Origin
late Middle English: via Old French from Latin eloquent-‘speaking out’, from the verb eloqui (see eloquence
How my heart sings 