To be obliged or required (to do something).
To be required; to be necessary.
To want strongly; to feel that one must have something.
To have an absolute requirement for.
Lack of means of subsistence; poverty; indigence; destitution.
A requirement for something; something needed.
To consider an occurrence as part of a principle or rule; to colligate
To place (any one cognition) under another as belonging to it; to include or contain something else.