study;  scholarship;  learning;  discipline;  branch of learning;  (a) science
 speciality;  specialty;  subject of study;  expert;  area of expertise
 division (of a larger group);  branch;  field;  class (subclass);  group;  category
 two-storied gate;  tower gate
 arch of triumph;  triumphal arch
 red gate (esp. at Tokyo University)
 before the gate;  in front of the gate
 one's pupil;  one's student;  one's follower
 (religious) denomination;  sect
 barrier;  checkpoint;  gateway;  hurdle;  obstacle;  trial
 (in the) style of a gate;  gate-equipped (house, shop, etc.);  kanji "gate" radical (radical 169)
 the northeastern (unlucky) direction;  person or thing to be avoided; (lit.) the demon's gate;  weak point;  Achilles' heel
 Vaisravana (Buddhist deity)
 follower (of religion; esp. Jōdo Shinshū practitioners);  believer
 gate for important persons;  gate of honor
 Teimon school (of haikai, founded by Matsunaga Teitoku)
 noted family;  noble family;  prestigious school, organization, business, etc.
 sluice gate;  water gate;  flood gate
 outside a gate;  beyond one's area of expertise
 Deva gate;  temple gate guarded by fierce Deva Kings;  temple gate of the Nio
 beautifully decorated gate;  female genitalia
 thatched-roof gate (used as the entrance to a garden, esp. of a tea ceremony house)
 emperor (of Japan);  mikado;  (the gates of an) imperial residence
 gatekeeper;  door guard;  doorman;  concierge;  janitor
 family;  clan;  sect;  school;  group of related sumo stables
 expulsion (of a pupil);  excommunication;  anathema
 military family;  warrior class
 gunport;  embrasure;  muzzle
 disciple;  pupil;  follower
 to knock at the gate;  to request an apprenticeship;  to ask to be made a pupil
 lineage;  pedigree;  good family
 large triple gate to temple
 side gate;  side door;  service entrance
 gate of a (Shinto) shrine
 gate of a (Shinto) shrine
 gate in the middle of the corridor connecting an annex to a pond-side building (in traditional palatial-style architecture);  central gate (between the main gate and main hall of a temple);  central gate (separating the inner and outer gardens of a teahouse)
 shramana (wandering monk)
 shramana (wandering monk)
 small gate;  side gate;  wicket gate;  side door
 family clan based on the paternal line, sharing the same tomb and performing rituals together (Okinawa)
 doorplate;  nameplate;  gate pass
 Hamaguri Rebellion (1864);  Kinmon incident
 Zen;  entering the path of Zen
 spiracle (respiratory pores in the body of insects)
 the twelve gates of Heian's greater palace
 bloodline;  lineage;  family;  clan
 head priest of temple formerly led by founder of sect
 main southern gate of the Heian Palace's reception compound
 style of temple gate featuring four supporting pillars and a gabled roof
 main gate;  front gate;  latter half of the Lotus Sutra, which describes the nature of the Buddha
 small gate in a mud or stone wall
 imperial envoy gate;  temple gate used by imperial envoy
 wicket (e.g. in cricket);  castle;  stumps
 corridor connecting an annex to a pond-side building (in traditional palatial-style architecture)
 words can lead to disaster;  the tongue is the root of calamities;  the more you open your mouth the more likely you are to put your foot in it
 Tiananmen Square Massacre (1989);  Tiananmen Square Incident
 Toranomon Incident (assassination attempt on Prince Regent Hirohito; December 27, 1923)
 Chordata (phylum of deuterostome animals)
 Edo-period popularized blend of Buddhist, Shinto and Confucian ethical teachings (popularised)
 gate to the garden of a tea ceremony house
 Echinodermata (phylum of marine invertebrates)
 Platyhelminthes (phylum of flatworms)
 Ctenophora (phylum comprising the comb jellies)
 Nematoda (phylum of roundworms)
 Chaetognatha (phylum of arrow worms)
 influential family;  the man in power
 Magnoliophyta (phylum of flowering plants);  Angiospermae
 five approaches to meditation;  five objects of meditation
 five gates of mindfulness: worship, praise, vows, observation, prayers for the dead
 Choanozoa (phylum of protists closer to animals than to fungi)
 Basidiomycota (phylum containing mushrooms, puffballs, etc.)
 Ascomycota (phylum comprising the sac fungi)
 Xenoturbellida (phylum of worm-like basal deuterostomes)
 Hemichordata (phylum of marine deuterostomes)
 Placozoa (phylum of multicellular invertebrates)
 Cnidaria (phylum of marine animals)
 Myxozoa (phylum of parasitic animals)
 Acanthocephala (phylum of thorny-headed worms)
 Amoebozoa (phylum of amoeboid protozoa)
 Chlorophyta;  division of green algae
 Glaucophyta (phylum of freshwater microscopic algae)
 Pinophyta;  division comprising the conifers
 gathering of excellent and capable people
 Annelida (phylum of ringed worms)