reasonable, sensible

unwarranted, unjustified, reasonable, unrealistic, illogical, arbitrary, unfair, unacceptable, ridiculous, irrational, unjustifiable, absurd, outrageous, justifiable, ludicrous, unconscionable, excessive, irresponsible, unnecessary, unwise, imprudent, exorbitant, unfounded, onerous, untenable, inappropriate, intolerable, preposterous, unsupportable, foolish, unjust, unworkable, unlawful, counterproductive, overreaching, foolhardy, insane, asinine, groundless, punitive, discriminatory, inexcusable, negligent, laughable, acceptable, unconstitutional, frivolous, extortionate, disingenuous, impractical, undue, nonsensical, wrongful, presumptuous, reckless, inadequate, inequitable, erroneous, unachievable, capricious, appropriate, disrespectful, lawful, uncalled, insufficient, inconceivable, incomprehensible, unmerited, hypocritical, unfeasible, unmanageable, unsympathetic, anticipatory breach, obscene, inadvisable, shortsighted, inordinate, unprofessional, indefensible, insensitive, meritless, baseless, unenforceable, inflexible, unreasoned, disproportionate, overburdensome, unpractical, anticompetitive, unmeritorious, unsustainable, outlandish, wrongheaded, insupportable, inaccurate, misguided, unsound, overcautious, defensible, demeaning, reprehensible, unwarrantable, impossible, inconvenient, justified, unrealistically, prohibitive

a bit muchp, de trop, fleece, gazump, hag-ridden, hagridden, hook, mumpsimus, overcharge, pluck, plume, pride, profiteer, rob, soak, superbia, surcharge, too muchp, tormented

blind, cockamamie, cockamamy, fool, goofy, immoderate, incongruous, mindless, reasonless, sappy, senseless, silly, unlogical, unreasoning, wacky, zany