a feeling of anticipation of or anxiety over a future event; presentiment: He had a vague premonition of danger.
2.
a forewarning.
Origin: 1425–75; late Middle English premunicioun (compare praemunire) < Late Latin praemonitiōn- (stem of praemonitiō) forewarning. See pre-, monition
1456, from Anglo-Fr. premunition, from L.L. præmonitionem (nom. præmonitio) "a forewarning," from L. præmonitius, pp. of præmonere "forewarn," from præ- "before" + monere "to warn" (see monitor).