enriching

(transitive) To enhance.
(transitive) To make (someone or something) rich or richer.
(transitive) To adorn, ornate more richly.
(transitive) To add nutrients or fertilizer to the soil; to fertilize.
(transitive) To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel.
(transitive) To add nutrients to foodstuffs; to fortify.
To make to rise the proportion of a given constituent.