control;  management;  supervision
 closing;  shutting;  firmness;  tightness;  discipline
 to manage;  to control;  to supervise;  to crack down on;  to keep under strict control;  to enforce
 slack;  loose;  lax;  slovenly;  sloppy
 to become tense;  to be tightened;  to become firm (e.g. body)
 not at all tense;  relaxed;  calm
 thrifty person;  stingy person;  tight-fisted person
 tightly-compacted snow (e.g. due to compression under its own weight)