A bribe.
In a transaction, something extra on the side.
A handout.
A tip or gratuity.
A payment or other recompense for something done.
Importance, claim to notice, regard.
Something considered as a reason or ground for a (possible) decision.
The tendency to consider others.
The thought process of considering, of taking multiple or specified factors into account (with of being the main corresponding adposition).
A matter of inducement for something promised; something valuable given as recompense for a promise, which causes the promise to become binding as a contract.