What is the meaning of the word "hold"?

Definitions:

assert or affirm verb
- Rousseau's philosophy holds that people are inherently good
be valid, applicable, or true verb
- This theory still holds
drink alcohol without showing ill effects verb
- They can hold their liquor.
have as a major characteristic verb
- The novel holds many surprises
have room for verb
- hold without crowding
keep from exhaling or expelling verb
- hold your breath
organize or be responsible for verb
- hold a reception
power by which something or someone is affected or dominated noun
- The emperor has a hold over them.
remain committed to verb
- I hold to these ideas
stop dealing with verb
- Please hold all calls to the President's office while they are in a meeting.
support in a certain manner verb
- I held my head high.
to close within bounds, limit or hold back from movement verb
- This holds the local until the express passengers change trains