To eat.
To use up.
To trade money for good or services as an individual.
To completely occupy the thoughts or attention of.
To destroy completely.
To absorb information, especially through the mass media.
To increase the nutritional value of food by adding ingredients.
To impart strength or vigor to.
To increase the defenses of; to strengthen and secure by military works; to render defensible against an attack by hostile forces.
To add spirits to wine to increase the alcohol content.