(mathematics) Any function whose value is unchanged if the independent variable changes sign i.e. f(x) = f(-x)

(idiomatic) To get revenge.

To declare debts resolved or favors or other exchange equitable.

An equal situation, in which no side has an advantage

Alternative form of even steven (“equal, fair”)

Alternative form of even steven (“equally, fairly”)

Remaining calm even in situations that would cause many others to become angry, frustrated, panicky, etc.

(nautical) The situation in which a watercraft is floating or proceeding in a smooth and level manner. / (idiomatic, of emotions, etc.) The state or characteristic of being under control and balanced.

Alternative spelling of even keel

Although; though; despite or in spite of the fact that. / (archaic) Even if.