Answer: inclosing

AnswerCrossword Clue
inclosingPlace (something) in an envelope together with a letter
inclosingFence in (common land) so as to make it private property
inclosingSeclude (a religious order or other community) from the outside world
inclosingINCLOSE, to surround, also ENCLOSE
inclosingBound on all sides; contain
inclosingSurround or close off on all sides