for the simple reason that

: free from guile : innocent

: free from vanity : modest

: free from ostentation or display

: a person of humble birth : commoner

: a rude or credulous person : ignoramus

: a mentally retarded person

: a statement offered in explanation or justification

: a rational ground or motive

: a sufficient ground of explanation or of logical defense

: to take part in conversation, discussion, or argument

: to talk with another so as to influence actions or opinions

: to use the faculty of reason so as to arrive at conclusions