ENSURE
see, insure, see to it, ensure, control, ascertain, assure
(verb) be careful or certain to do something; make certain of something; “He verified that the valves were closed”; “See that the curtains are closed”; “control the quality of the product”
guarantee, ensure, insure, assure, secure
(verb) make certain of; “This nest egg will ensure a nice retirement for us”; “Preparation will guarantee success!”
Source: WordNet® 3.1
Etymology
Verb
ensure (third-person singular simple present ensures, present participle ensuring, simple past and past participle ensured)
(transitive) To make a pledge to (someone); to promise, guarantee (someone of something); to assure. [14th-18th c.]
(intransitive) To make sure or certain of something (usually some future event or condition). [from 18th c.]
Anagrams
• enures, reunes, ursene
Source: Wiktionary
En*sure", v. t.
1. To make sure. See Insure.
2. To betroth. [Obs.] Sir T. More.
Source: Webster’s Unabridged Dictionary 1913 Edition