The phrase "gives the lie to" implies that something is false or untrue. Therefore, some antonyms for this phrase could include "verifies," "confirms," "corroborates," "substantiates," or "attests to." These words imply that something is true and accurate. Other antonyms could include "denies," "contradicts," "refutes," "disproves," or "invalidates." These words suggest that something is untrue and unreliable. It is important to carefully consider the words used in communication, as the language we use can greatly impact the meaning and perception of our message.