vouchsafe

Etymology

vouch + safe, written as two words in Middle English and early Modern English.

verb

1. To graciously give, to condescendingly grant a right, benefit, outcome, etc.; to deign to acknowledge.
   If Brutus will vouchſafe that Antony / May ſafely come to him ... 1599?, William Shakespeare, Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies, London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, Julius Caesar, Act III, scene i, page 119
   Wilt thou, whoſe will is large and ſpacious, / Not once vouchſafe to hide my will in thine? 1609, William Shakespeare, Shake-speares sonnets: Neuer before Imprinted, London: G[eorge] Eld for T[homas] T[horpe], and are to be solde by William Aspley, →OCLC, sonnet 135
   Needless to say, we have been vouchsafed no idea of what this might cost the innocent victims, the ratepayers. 1964 July, “The mythology of monorails”, in Modern Railways, page 57
2. To receive or accept in condescension.
3. To disclose or divulge.
   She vouchsafed to me that she regretted ever marrying him.
   His predictions were at first to be guided by direct intimations vouchsafed to him by the god; […] 1879, F. D. Morice, Pindar, chapter 8, page 129