WordWeb Online

1. Characterized by grandeur
   "magnificent cathedrals";
   - brilliant, glorious, splendid, majestic
    
2. Surpassingly good
   "a magnificent meal";
   - superb
    
3. Extraordinarily good or great; used especially as an intensifier
   "a magnificent trip to the Orient";
   - fantastic, grand, howling, marvelous [US], marvellous [Brit, Cdn], rattling, terrific, tremendous, wonderful, wondrous, heavenly
    
4. Of surpassing excellence
   "a magnificent performance";
   - brilliant, superb

See also: extraordinary, good, impressive, superior

Encyclopedia: Magnificent