合理性

to close; to join; to fit; to unite; to gather; to be suitable; to match; to be equal to; whole; together

Reason; logic; truth; to manage; to handle affairs; to tidy up; to pay attention to; inner essence; natural science; texture or grain.

Nature; character; personality; temperament; quality; attribute; sex; gender; sexuality; essence; life; suffix forming nouns like '-ness' or '-ity'.