inadvertent
unintentional
exhaustive
Comprehensive and thorough
incongruous
out of place; inappropriate
belittle
to regard or portray as less impressive or important than appearances indicate
unprecedented
never before known or experienced
digress
to deviate from the main topic in speaking or writing
appease
to bring to a state of peace, quiet, ease, calm, or contentment
frivolous
Of little importance; silly
instigate
to urge, provoke, or incite to some action or course
sage
a profoundly wise person; wise, judicious, or prudent