[apol.o.get.ic] n (15c): apologetics 1
[2]apologetic adj [Gk apologetikos, fr. apologeisthai to defend, fr. apo- + logos speech] (1649) 1 a: offered in defense or vindication "the ~ writings of the early Christians" b: offered by way of excuse or apology "an ~ smile"
2: regretfully acknowledging fault or failure: contrite "was ~ about his mistake" -- apol.o.get.i.cal.ly adv