Ideal
Ideal, without fault, flawless, quintessential, best, ultimate, superb, superlative, wonderful, beautiful, magnificent, blissful, unrivalled, matchless, beyond compare, second to none, unmatched, nonpareil, inimitable, unsurpassed, out of this world, fantastic, great, heavenly, gorgeous, divine, sensational, fab, fantabulous, to die for, ace, brill, unexampled, model, faultless, consummate, exemplary, best-example, copybook, exquisite, excellent, marvellous, sublime, idyllic, utopian, unequalled, unparalleled, without equal, too good to be true, incomparable, peerless, unexcelled, unsurpassable, terrific, fabulous, super, glorious, stellar, phenomenal, dreamy, fabby, awesome, magic, brilliant, bosting, and indefectible.
Flawless
Flawless, as good as new, impeccable, superb, optimum, optimal, excellent, as sound as a bell, unblemished, spotless, unimpaired, A1, mint, pristine, immaculate, superlative, prime, peak, faultless, unspoiled, undamaged, unmarred, and tip-top.
Exact
Exact, accurate, correct, right, true, inch-perfect, on the money, precise, faithful, unerring, close, strict, and spot on.
5. absolute
Absolute, total, out-and-out, thoroughgoing, utter, consummate, unqualified, in every respect, right, arrant, complete, real, thorough, downright, sheer, unmitigated, veritable, unalloyed, and fair.
Improve
Improve, bring to perfection, polish (up), hone, consummate, brush up, meliorate, make perfect, better, burnish, refine, ameliorate, and fine-tune.