propagate
     v 1: transmit from one generation to the next; "propagate these
          characteristics"
     2: travel through the air; "sound and light propagate in this
        medium"
     3: transmit; "propagate sound or light through air"
     4: become distributed or widespread; "the infection spread";
        "Optimism spread among the population" [syn: {spread}]
     5: transmit or cause to broaden or spread; "This great
        civilization was propagated throughout the land"
     6: cause to become widely known; "spread information";
        "circulate a rumor"; "broadcast the news" [syn: {circulate},
         {circularize}, {circularise}, {distribute}, {disseminate},
         {broadcast}, {spread}, {diffuse}, {disperse}, {pass
        around}]
     7: cause to propagate, as by grafting or layering
     8: multiply sexually or asexually
Source: WordNet® 2.0