Webster 1913 Edition
In a reasonable manner.
Moderately; tolerably.“Reasonably perfect in the language.”
Webster 1828 Edition
1.In a manner or degree agreeable to reason; in consistency with reason. We may reasonably suppose self interest to be the governing principle of men.
2.Moderately; in a moderate degree; not fully; in a degree reaching to mediocrity.
If we can be industry make our deaf and dumb persons reasonably perfect in the language -