WordNet sense 1 (related to or accompanying):

associated

WordNet sense 2 (being joined in close association):

affiliated

WordNet sense 3 (being connected either logically or causally or by shared characteristics ):

related, related to

WordNet sense 4 (in operation or operational):

on

WordNet sense 5 (stored in, controlled by, or in direct communication with a central computer):

machine-accessible

WordNet sense 6 (connected by a link, as railway cars or trailer trucks):

joined, linked

WordNet sense 7 (fastened together):

attached