maintain-v; 4 Senses

Sense Number 1: hold in a given state or situation

Examples:
She won't be able to maintain that level of work and stress much longer.
daily flossing will help maintain healthy gums and teeth.
The museum curator believes the old manuscripts would be better maintained in a climate-controlled room.
The king maintained control of his subjects with an iron hand.
We can't afford to maintain an apartment in New York and our summer house on the Cape.
The Supreme Court maintained the ruling of the lower courts.

Mappings:
VerbNet: sustain-55.6
FrameNet: Activity_ongoing
PropBank: maintain.01
WordNet 3.0 Sense Numbers: 1, 2, 5, 6, 9

Sense Number 2: assert a proposition or belief

Examples:
I have been maintaining all along that we need tort reform.
The physicist no longer maintains that nothing can ever leave a black hole.
She maintained her innocence throughout the trial.

Mappings:
VerbNet: conjecture-29.5-2,declare-29.4-1
FrameNet: Statement
PropBank: NM
WordNet 3.0 Sense Numbers: 4, 8

Sense Number 3: keep a record

Examples:
He maintained a daily journal of his travels through southeast asia.
I tried to maintain a count of how many varieties of fish I saw on the dive.

Mappings:
VerbNet: NM
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 7, 10

Sense Number 4: provide care and sustenance for someone

Examples:
Will he be able to maintain her in the style to which she is accustomed?
She worked hard to maintain her three children on a small income.

Mappings:
VerbNet: NM
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 3