encroachment

encroachment
    n 1: any entry into an area not previously occupied; "an
         invasion of tourists"; "an invasion of locusts" [syn:
         {invasion}, {encroachment}, {intrusion}]
    2: entry to another's property without right or permission [syn:
       {trespass}, {encroachment}, {violation}, {intrusion},
       {usurpation}]
    3: influencing strongly; "they resented the impingement of
       American values on European culture" [syn: {impingement},
       {encroachment}, {impact}]
    

Encroachment \En*croach"ment\, n.
   1. The act of entering gradually or silently upon the rights
      or possessions of another; unlawful intrusion.
      [1913 Webster]

            An unconstitutional encroachment of military power
            on the civil establishment.           --Bancroft.
      [1913 Webster]

   2. That which is taken by encroaching on another.
      [1913 Webster]

   3. (Law) An unlawful diminution of the possessions of
      another.
      [1913 Webster]
    

ENCROACHMENT. An unlawful gaining upon the right or possession of another; 
as, when a man sets his fence beyond his line; in this case the proper 
remedy for the party injured is an action of ejectment, or an action of 
trespass. 
    

35 Moby Thesaurus words for "encroachment":
      adoption, appropriation, arrogation, assumption, entrance,
      entrenchment, impingement, imposition, incursion, infiltration,
      influx, infraction, infringement, injection, inroad, insinuation,
      interference, interjection, interloping, interposition,
      interposure, interruption, intervention, intrusion, invasion,
      irruption, obtrusion, overstepping, playing God, seizure,
      transgression, trespass, trespassing, unlawful entry, usurpation