All fly in the face of antonyms

verb fly in the face of

• validate — to make valid; substantiate; confirm: Time validated our suspicions.
• uphold — to support or defend, as against opposition or criticism: He fought the duel to uphold his family's honor.
• institute — to set up; establish; organize: to institute a government.
• legalize — to make legal; authorize.
• do — Informal. a burst of frenzied activity; action; commotion.
• save — to rescue from danger or possible harm, injury, or loss: to save someone from drowning.
• keep — to hold or retain in one's possession; hold as one's own: If you like it, keep it. Keep the change.
• start — to begin or set out, as on a journey or activity.
• retreat — the forced or strategic withdrawal of an army or an armed force before an enemy, or the withdrawing of a naval force from action.
• give in — to present voluntarily and without expecting compensation; bestow: to give a birthday present to someone.
• harmonize — to bring into harmony, accord, or agreement: to harmonize one's views with the new situation.
• comply — If someone or something complies with an order or set of rules, they are in accordance with what is required or expected.
• participate — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
• forward — toward or at a place, point, or time in advance; onward; ahead: to move forward; from this day forward; to look forward.
• make peace — the normal, nonwarring condition of a nation, group of nations, or the world.
• favor — something done or granted out of goodwill, rather than from justice or for remuneration; a kind act: to ask a favor.
• welcome — a kindly greeting or reception, as to one whose arrival gives pleasure: to give someone a warm welcome.
• grant — to bestow or confer, especially by a formal act: to grant a charter.
• hold — to have or keep in the hand; keep fast; grasp: She held the purse in her right hand. He held the child's hand in his.
• acknowledge — If you acknowledge a fact or a situation, you accept or admit that it is true or that it exists.
• retain — to keep possession of.
• disallow — to refuse to allow; reject; veto: to disallow a claim for compensation.
• loosen — to unfasten or undo, as a bond or fetter.
• unfasten — to release from or as from fastenings; detach.