seal;  to seal (e.g. a letter);  to affix a seal;  to seal up
 to seal (letter);  to prevent;  to forbid;  to block
 blockade;  lockdown;  sealing off (an area);  freezing (funds)
 to shut in;  to confine;  to contain
 opening (a letter, parcel, etc.);  breaking the seal;  unboxing (a product);  unsealed mail
 muzzling (a person);  preventing (a person) from revealing something;  silencing (a person);  murdering (a person) to prevent them from revealing something
 enclosing (e.g. with a letter)
 suppression (e.g. of free speech);  force-out
 complete blockade (seal);  baseball shutout
 brown envelope;  manila envelope
 hermetically seal;  sealing (e.g. envelope)
 unopened (state);  with an unbroken seal
 to seal (letter);  to prevent;  to forbid;  to block
 gift of money (contained in an envelope);  money reward (for services rendered)
 feudal era;  feudal times;  feudal period;  feudal age;  age of feudalism
 seal (letters, documents, etc.)
 sealed letter;  sealed document;  enclosure
 premiere;  first showing;  release (film)
 forced relocation of a daimyo to a different domain by the Edo shogunate
 bestowing peerage by imperial edict (in ancient China);  document bestowing peerage
 economic blockade;  embargo
 forced relocation of a daimyo to a different domain by the Edo shogunate
 feudal estate;  daimiate;  fief;  feoff;  fee
 bill strap;  currency strap;  currency band;  wrapper band;  newspaper band
 accredited Chinese envoy to neighbouring kingdoms
 premiere;  first showing;  release (film)
 hiving off;  swarming;  dividing a fief
 under separate cover;  accompanying letter
 tributary system (of Imperial China)
 feudalistic thought or thinking
 ancient Chinese sacrificial ritual
 stipend given to a designated person, such as a noble, and which was paid by a designated household (ritsuryo system)
 succession to a fief;  inheriting a domain
 household of which half of the taxes were given to a designated person (ritsuryo system);  vassal household allotted to a courtier
 enfeoffment (incl. bestowal of government post and court rank)
 seal (letters, documents, etc.)
 self-addressed stamped envelope;  SASE
 to suppress the freedom of speech
 self-addressed stamped envelope;  SASE
 incantation to rid a child of insects traditionally believed to cause disease;  charm to cure colic, tantrums, etc.
 Japanese-style oblong, open end envelope
 first-run theater;  first-run theatre
 window envelope;  billing envelope
 tributary system (of Imperial China)
 return, postage-paid envelope
 landlocked variety (of fish)
 forced reduction of a daimyo's land by the Edo Shogunate;  curtailment of a daimyo's domain
 tumulus;  barrow;  grave mound
 diplomatic bag;  diplomatic pouch