Mathematics: Mathematical terms: acute angle, addition, algorithm or algorism, angle, arc | Collins English Word Lists Synonyms: arithmetic, calculation, calculus… Find the right word. Math: the act or process of performing mathematical operations to find a value. Find descriptive alternatives for term. Find descriptive alternatives for math. Synonyms: arithmetic, calculation, calculus… Find the right word. Synonyms for term at Thesaurus.com with free online thesaurus, antonyms, and definitions. Math synonyms and Math antonyms. Synonyms for math at Thesaurus.com with free online thesaurus, antonyms, and definitions. Top synonym for math (another word for math) is mathematics.