They did not subscribe to the unwritten Mafia rule that families were off-limits.
Amazon subscribe & Save lets you “subscribe” to most of the non-perishable items that Amazon has in stock.
"If you subscribe to yoga, you know how important it is to open up the chest and heart," he assured me.
early 15c., "to sign at the bottom of a document," from Latin subscribere "write underneath, sign one's name," from sub "underneath" (see sub-) + scribere "write" (see script (n.)). The meaning "give one's consent" first recorded 1540s; that of "contribute money to" 1630s; and that of "become a regular buyer of a publication" 1711, all originally literal. Related: Subscribed; subscribing.