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Definition of: assure
(ə·shr′) v.t. as·sured, as·sur·ing
1. To make sure or secure; establish against change: His poems assured his immortality.
2. To give confidence to; convince: His success assured him of the validity of his mission.
3. To offer assurances concerning; guarantee, as something risky.
4. To promise confidently: He assured his friends he would return.
5. To insure. See synonyms under CONFIRM. [<OF aseurer <LL assecurare <L ad- to + securus safe]
—as·sur′a·ble adjective
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