conceptual
/kənˈseptjʊəl/adjective
- of, relating to, or based on mental concepts（与）概念（有关）的; 概念上的：
philosophy deals with conceptual difficulties.
哲学处理概念上的难题。
词源
mid 17th cent.: from medieval Latin conceptualis, from Latin concept- 'conceived'， from the verb concipere （see CONCEPT）.