A remedy or medicine for all disease, a cure-all; a solution for all difficulties or problems.
"It's not all rubbish," cried Amory passionately. "This is the first time in my life I've argued Socialism. It's the only panacea I know. I'm restless. My whole generation is restless. I'm sick of a system where the richest man gets the most beautiful girl if he wants her, where the artist without an income has to sell his talents to a button manufacturer. Even if I had no talents I'd not be content to work ten years, condemned either to celibacy or a furtive indulgence, to give some man's son an automobile."
—F. Scott Fitzgerald This Side of Paradise (1920)