WordNet sense 1 (beyond what is ordinary or usual; highly unusual or exceptional or remarkable):

extraordinary

WordNet sense 2 (uppercase):

capital, majuscule

WordNet sense 3 (relating to capital letters which were kept in the top half of a compositor's type case):

uppercase

WordNet sense 4 (above average in size or number or quantity or magnitude or extent):

big, large

WordNet sense 5 (of major significance or importance):

outstanding

WordNet sense 6 (of great significance or value):

important, of import

WordNet sense 7 (very good):

bully, dandy, groovy, keen, neat, nifty, peachy, smashing, swell, corking, cracking, slap-up, bang-up, not bad

WordNet sense 8 (having desirable or positive qualities especially those suitable for a thing specified):

good

WordNet sense 9 (marked by active interest and enthusiasm):

avid, eager, zealous

WordNet sense 10 (having or showing great excitement and interest):

enthusiastic

WordNet sense 11 (in an advanced stage of pregnancy):

expectant, gravid, heavy, enceinte, with child

WordNet sense 12 (carrying developing offspring within the body or being about to produce new life):

pregnant