Suppeditate is a relatively uncommon word. It means to supply or furnish with something that is needed. Synonyms for the word are ample, equip, outfit, provide, furnish, and stock. All of these words suggest providing the necessary items or materials required for a particular task or purpose. To equip someone or something is to provide them with the necessary tools or resources to function effectively. To furnish suggests providing or supplying necessary items for a space or room. To stock refers to keeping a supply of goods or materials on hand for use or sale. All of these synonyms convey the idea of supplying or providing something that is needed.