yǒu​lǐ

reasonable

有理 yǒu​lǐ
reasonable adjective
being in the right or having a sound justification

What he said is very reasonable.

rational noun
relating to a rational number in mathematics

The teacher told us in math class that 0.5 is a rational number.

Frequency

Movie subtitles
0.300 per million appears in 0% of films
Written text
6.40 per million

Sources

Definitions
CC-CEDICT