clear one's name
Also, clear oneself. Prove someone (or oneself) innocent. For example, She not only wanted to be acquitted, she wanted to clear her name entirely. This locution employs the verb clear in the sense of “purify” or “wash away a stain.” [Late 1400s]
Words nearby clear one's name
clear cell,
clear channel,
clear ice,
clear layer of epidermis,
clear off,
clear one's name,
clear out,
clear the air,
clear the decks,
clear the table,
clear up