The word "suppeditation" is spelled as /səˌpɛdɪˈteɪʃən/. The first syllable is pronounced as "suh", and the second syllable as "pedi", with the stress on the third syllable. The suffix "-ation" indicates that the word is a noun, and it means the act of supplying or furnishing. Although not a commonly used word, it can be found in some formal contexts, such as legal or business documents, and it is essential to spell it correctly for clarity and professionalism.