neededly

Adverb

1. In a needed manner; necessarily.
   • If all this seems like a vaporings of a diseased imagination, too monstrous and too improbably for belief, only see how the ascending series of events, as steps in a stairway from basement to top story, mounts up, one...
   • What it all amounted to, at any rate, was that Mrs. Assingham would be keeping him quiet now, while his wife and his father-in-law carried out their own little frugal picnic; quite moreover, doubtless, not much less...
   • Let us call a reduction P self-neededly fair if no redex in a term of P has a P-needed P-erased residual in every subsequent term. - 1996, Michael Hanus, Algebraic and Logic Programming, Springer, page 146:

   Antonyms: unneededly