rationalist

1. ADJ If you describe someone as rationalist, you mean that their beliefs are based on reason and logic rather than emotion or religion. (人) 理性主義的; 唯理論的

White was both visionary and rationalist. 懷特既有遠見又有理性。

2. N-COUNT If you describe someone as a rationalist, you mean that they base their life on rationalist beliefs. 理性主義者; 唯理論者

...the rationalists and scientists of the nineteenth century. …19世紀的理性主義者和科學(xué)家們。