Speaking to a shaken nation, he vowed to do everything in his power to keep us safe.
The Guardian has vowed to appeal to the High Court to get the letters released.
Obama understands the political reality for the coming year is more gridlock, and vowed to “fight obstruction with action.”
c.1300, from Anglo-French and Old French vou, from Latin votum "a vow, wish, promise, dedication," noun use of neuter of votus, past participle of vovere "to promise solemnly, pledge, dedicate, vow," from PIE root *ewegwh- "to speak solemnly, vow" (cf. Sanskrit vaghat- "one who offers a sacrifice;" Greek eukhe "vow, wish," eukhomai "I pray").
c.1300, from Old French vouer, from vou (see vow (n.)). Related: Vowed; vowing.