Vouchsafe (verb)

1. To grant or give something as a privilege or special favor.
2. To condescend to give or grant something.
3. To assure or guarantee something.

Origin:

From old french vouchsafier, from vouch "vouch" + safier "to make safe".

Examples:

1. The king vouchsafed the knight with a sword and shield.
2. The teacher vouchsafed the student with extra help.
3. The mentor vouchsafed to take the mentee under his wing.
4. The company vouchsafed to give the employee a raise.
5. The mother vouchsafed her daughter a dress for the dance.