EXPERGEFACIENT

PRONUNCIATION: (eks-puhr-juh-FAY-shuhnt)

MEANING: adjective: Awakening or arousing.
noun: A drug or other agent that awakens or arouses.

ETYMOLOGY: From Latin expergefacere (to awaken), from expergisci (to become awake) + facere (to make or do). Earliest documented use: 1821.
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EXPURGEFACIENT - laxative

EXPERGEFACIEST - the best pepper-upper in the whole wide world !

EXPERTEFACIENT - it'll teach you everything in just six quick lessons