fertilize

(verb) provide with fertilizers or add nutrients to. Synonyms: fertilise, feed. Example: "We should fertilize soil if we want to grow healthy plants."

(verb) make fertile or productive. Synonyms: fecundate, fertilise. Example: "The course fertilized her imagination."

(verb) introduce semen into (a female). Synonyms: inseminate, fecundate, fertilise.