Definitions

1. verb

to give permission or consent to something; to grant a request or favor

“The king vouchsafed an audience to the young poet.”

2. noun

permission or consent, especially that of a superior or authority

“He asked for the vouchsafe of the judge to proceed with the trial.”

3. verb (archaic)

to grant or confer something, especially a right or privilege

“In days of yore, the monarch would vouchsafe lands to loyal nobles.”