complementary / complimentary [kɒmplɪˈmɛntəri]
complementary – adj. – 1. forming a complement (see); 2. forming a satisfactory or balanced whole; 3. involving or using the treatments and techniques of alternative medicine
complimentary – adj. – 1. conveying a compliment (see); 2. flattering; 3. given free, especially as a courtesy or for publicity purposes