FERTILISE
inseminate, fecundate, fertilize, fertilise
(verb) introduce semen into (a female)
fertilize, fertilise, feed
(verb) provide with fertilizers or add nutrients to; “We should fertilize soil if we want to grow healthy plants”
fertilize, fecundate, fertilise
(verb) make fertile or productive; “The course fertilized her imagination”
Source: WordNet® 3.1
Etymology
Verb
fertilise (third-person singular simple present fertilises, present participle fertilising, simple past and past participle fertilised)
Non-Oxford British standard spelling of fertilize.
Source: Wiktionary