Fertilises is a term commonly used in agriculture, botany and gardening, which refers to the process of adding nutrients to soil or plants to promote growth and development. There are many synonyms for the word fertilises, which include enriches, nourishes, supplements, feeds, fortifies, cultivates, fertilizes, manures, and augments. These words have similar meanings to fertilises, as they all involve adding important substances to the soil or plants to enhance their growth. Different synonyms may be used depending on the context and purpose of the fertilisation, but they all share the goal of improving the quality and quantity of plant growth.