1. gate
2. door
3. gateway
4. doorway
5. opening
6. valve
7. switch
8. way to do something
9. knack
10. family
11. house
12. (religious) sect
13. school (of thought)
14. class
15. category
16. phylum or division (taxonomy)
17. classifier for large guns
18. classifier for lessons, subjects, branches of technology
19. (suffix) -gate (i.e. scandal; derived from Watergate)

classifiers: 扇, 個

1. (literary) tributary; branch of a river
2. clique; school; group; faction
3. (bound form) style; manner
4. to send (a person or resource); to dispatch; to allocate (a resource or task); to appoint (sb)
5. classifier for factions, groups etc
6. (preceded by 一 yī) classifier used in characterizing a scene, atmosphere, demeanor, sound, remark etc
7. (loanword) pi (Greek letter Π, π); the circular ratio 𝜋 = 3.14159...
8. (loanword) pie