(a.) Supplying amendment; corrective; emendatory.

adversative adverse adversive allegory amendatory amends analogy antagonistic anti antipathetic antithetic antonymous at cross-purposes atonement clashing commutation comparative anatomy comparative degree comparative grammar comparative judgment comparative linguistics comparative literature comparative method compare comparing comparison compensating compensation compensatory conflicting confrontation confronting confrontment contradictory contradistinct contrapositive contrarious contrary contrast contrasted contrastiveness converse coordination correlation counter counteracting counteraction counteractive counterbalancing counterpoised countervailing dead against discordant discrepant distinction distinctiveness equalization evening expiation expiatory eyeball to eyeball harmonization hostile inconsistent indemnification indemnificatory indemnity inimical integration inverse lex talionis likening matching metaphor obverse offsetting opposed opposing opposite opposition oppositional oppositive oppugnant parallelism penitential perverse proportion recompense recompensive rectification rectifying redress regularization relation reparation reparative repayment repugnant restitution retaliation retaliatory revenge reverse satisfaction simile similitude squared off substitution symmetrization trope of comparison weigh-in weighing weighing-in weighing-out