Unconcerned nonchalance.
The state of being indifferent.
Unbiased impartiality.
Unemotional apathy.
Self-identity defined through the negation of difference, non-difference.
A lack of enthusiasm.
The act of confirming someone's opinion or impression.
Reinsurance.
The feeling of being reassured, of having confidence restored, of having apprehensions dispelled.