Awesome:
amazing, astonishing, astounding, awe-inspiring, breathtaking, brilliant, captivating, excellent, exceptional, exhilarating, exquisite, extraordinary, huge, impressive, incomparable, incredible, inimitable, luxurious, magnificent, majestic, miraculous, opulent, outstanding, overwhelming, palatial, phenomenal, rare, resplendent, riveting, sensational, spectacular, splendid, superior, superlative, superb, supreme, transcendent, tremendous, unbelievable, unprecedented, unsurpassed, wonderful

Cool:
alluring, ambitious, appealing, beautiful, clever, compelling, dazzling, delightful, distinguished, elaborate, elegant, enthusiastic, enticing, fascinating, fine, good, gorgeous, graceful, grand, great, handsome, ideal, imaginative, impressive, interesting, intriguing, lovely, memorable, nice, noteworthy, pleasant, precious, prodigious, radiant, refined, remarkable, soothing, special, stimulating, striking, stunning, surprising, touching, towering, uncommon, unusual, wild