Abstractions can be represented by various synonyms that entail different connotations. One of the synonyms for abstractions is "concept" which signifies a theoretical idea or notion. Another word that can be used in place of abstractions is "generalization" which relates to a broad idea or statement that applies to a wide range of cases or subjects. "Theoretical constructs" is another term that highlights the hypothetical nature of abstractions. "Intangibles" is a word that represents ideas, concepts, or feelings that cannot be touched or grasped physically. Finally, "mentality" can be used to allude to the abstract workings of the mind or consciousness.