What does apologetic or apologetical mean?
The definition of apologetic and apologetical
A*pol`o*get”ic, A*pol`o*get”ic*al, a.
Etym: [Gr. Logic.]

Defending by words or arguments; said or written in defense, or by way of apology; regretfully excusing; as, an apologetic essay. “To speak in a subdued and apologetic tone.” Macaulay.