society > morality > duty or obligation > moral or legal constraint > immunity or exemption from liability > excuse > [noun] > offering an excuse > extenuation > one who (3)
One who softens, palliates, or extenuates; a flatterer, cajoler. Obsolete.
A person who palliates; an extenuator; an apologist.
One who extenuates. One who alleges extenuating or excusatory considerations; an apologist.