apologetic (adj.)
- abject
- ascetic
- cleansing
- contrite
- excusatory
- expiatory
- extenuating
- humble
- humbled
- justificatory
- lustrative
- melted
- palliative
- penitent
- penitential
- penitentiary
- propitiatory
- purgative
- purgatorial
- purifying
- redeeming
- redemptive
- regretful
- rehabilitative
- remorseful
- reparative
- reparatory
- repentant
- rueful
- sheepish
- softened
- sorry
- touched
- vindicatory