[syn: exalted, elevated, sublime, grand, high-flown, high-minded, lofty, rarefied, rarified, idealistic, noble-minded]
WordNet (r) 3.0 (2006):
rarified
    adj 1: having low density; "rare gasses"; "lightheaded from the
           rarefied mountain air" [syn: rare, rarefied,
           rarified]
    2: of high moral or intellectual value; elevated in nature or
       style; "an exalted ideal"; "argue in terms of high-flown
       ideals"- Oliver Franks; "a noble and lofty concept"; "a grand
       purpose" [syn: exalted, elevated, sublime, grand,
       high-flown, high-minded, lofty, rarefied, rarified,
       idealistic, noble-minded]