When it comes to expressing the idea of something being made up of various parts or elements, there are several synonyms that can be used instead of the phrase "be constituted of". Some examples include "comprised of", "composed of", "formed of", "made up of", and "consisting of". These phrases can be used interchangeably to convey the same meaning, depending on the context and the writer's preference. It's always important to choose the right synonym for the occasion and make sure that the meaning of the sentence remains clear and concise. By using a variety of synonyms, writers can avoid repetition and keep their writing interesting and engaging.