Answer: enclosing

AnswerCrossword Clue
ENCLOSINGHemming in
enclosingPlace (something) in an envelope together with a letter
enclosingBound on all sides; contain
enclosingENCLOSE, to surround, also INCLOSE
enclosingSeclude (a religious order or other community) from the outside world
enclosingSurround or close off on all sides
enclosingFence in (common land) so as to make it private property