WordNet sense 1 (confined to an exclusive group):

privileged

WordNet sense 2 (excluding much or all; especially all but a particular group or minority):

exclusive

WordNet sense 3 (located or occurring within or closer to a center):

inner

WordNet sense 4 (situated within or suitable for inside a building):

interior

WordNet sense 5 (with respect to private feelings):

inwardly

WordNet sense 6 (on the inside):

within

WordNet sense 7 (within a building):

indoors

WordNet sense 8 (in reality):

at heart, at bottom, deep down, in spite of appearance