The phrase "all things" can be replaced with various synonyms to add variety and nuance to your writing or speech. Some possible synonyms for this phrase include "everything," "the whole shebang," "the sum total," "the entirety," "all-encompassing," "the whole enchilada," "the full gamut," "the complete range," "the entirety of the universe," "the entirety of creation," and "the global entirety." Using these synonyms can help you diversify your language and convey a range of meanings, from comprehensive to narrow, depending on the context and your intended message.