Dependency
Part of speech: noun
Definition: A state of dependence; a refusal to exercise initiative. Something dependent on, or subordinate to, something else: A colony, or a territory subject to rule by an external power. A dependence on a habit-forming substance such as a drug or alcohol; addiction. Reliance on the functionality provided by some other, external component.
Example sentence: From my own being, and from the dependency I find in myself and my ideas, I do, by an act of reason, necessarily infer the existence of a God, and of all created things in the mind of God.
Habituation
Part of speech: noun
Definition: The act of habituating, or accustoming; the state of being habituated.