6.
logically consistent, intelligible
7.
brief and direct in expression
8.
quiet, modest, reserved
9.
to wipe out, obliterate, rub away
11.
deceitful, cunning, sly behavior
12.
varied, diverse in character
14.
demonstrating tolerance or gentleness
15.
to pass from one state to another, especially in music
17.
a beginner, someone without training or experience
18.
a speech delivered in a formal or ceremonious way
19.
an emotion of sympathy
20.
an appearance or action intended to deceive
