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The Collaborative International Dictionary of English v.0.48 (gcide)

Whatever \What*ev"er\, pron.
Anything soever which; the thing or things of any kind; being
this or that; of one nature or another; one thing or another;
anything that may be; all that; the whole that; all
particulars that; -- used both substantively and adjectively.
[1913 Webster]

Whatever fortune stays from his word. --Shak.
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Whatever Earth, all-bearing mother, yields. --Milton.
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Whatever be its intrinsic value. --J. H.
Newman.
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Note: Whatever often follows a noun, being used elliptically.
"There being no room for any physical discovery
whatever" [sc. it may be]. --Whately.
[1913 Webster] Whatnot