noun (n)

• destroying someone's (or some group's) honesty or loyalty; undermining moral integrity(noun.act)

  Example:
  The big city's subversion of rural innocence.
  

  Synonym:
  corruption
  

  source: wordnet30
• the act of subverting; as overthrowing or destroying a legally constituted government(noun.act)

  Synonym:
  subversive activity
  

  source: wordnet30
• The act of overturning, or the state of being overturned; entire overthrow; an overthrow from the foundation; utter ruin; destruction; as, the subversion of a government; the subversion of despotic power; the subversion of the constitution.(noun)

  source: webster1913