Raiment is a word in English that can be used in two different parts of speech. It can be used as a noun as well as a verb. The meaning of the use of the word in both the contexts, i.e. As noun and verb, is given below… Meaning 1: Raiment as a noun This word is generally used to refer to clothing or garments. More specifically, raiment means any article worn in order to cover the body, especially fine or decorative clothing. The synonyms would be apparel, attire, clothes, clothing, dress, garments, array, finery and regalia. Meaning 2: Raiment as a verb This word means 'to provide with clothes' or 'put clothes on'. Some of the synonyms in this context are dress, clothe, garb.