(idiomatic) Certainly, undoubtedly, admittedly.

In a way that causes surprise because it is unexpected, or unusual.

(mathematics) A one-dimensional complex manifold; a generalization of the complex plane.

(geography) Water collecting on the ground or in a stream, river, lake, sea or ocean, as opposed to groundwater.

(optics) A procedure to correct the vision by reshaping the cornea using a laser.

An unusual rise in sea level on a coast due to the action of high winds.

(aeronautics) A moveable surface attached to a machine such as an aircraft or submarine that can be used to control the machine's motion in roll, pitch or yaw.

Able to be surmounted or overcome; defeatable.

(uncountable) The property of being sure, certainty. / (uncountable) The property of being sure, deft, confident of ability. / (countable, rare) The result or product of being sure.

Walking steadily, without stumbling; capable of finding good footing. / Confident and capable.