To put grease or fat on something, especially in order to lubricate.
To bribe.
To cause to go easily; to facilitate.
To perform a landing extraordinarily smoothly.
To my amazement, I greased the landing despite the tricky crosswinds.
To kill, murder.
To cheat or cozen; to overreach.
To affect (a horse) with grease, the disease.
An application of grease.