to be performing extremely well in a sport, job, etc. so that you could not perform any better:

The word peripherate does not appear in standard English dictionaries, and it is not a commonly used term. It may be a misspelling of the word peripherate, which means to move or extend outward toward the periphery or outer edge of something. However, based on the definition provided, it seems that the intended word might have been perambulate, which means to walk or move around, often for pleasure or observation.

Something improvised.

To make someone or something become quieter.

A clay pigeon is a disk-shaped target made primarily from clay and pitch, launched into the air as a target for shooting practice in sports such as trap shooting, skeet shooting, and sporting clays. It is designed to simulate the flight path of a bird.

Absorptance is a measure of the amount of light, or alternatively other electromagnetic radiation, which is absorbed by a particular substance or surface upon which the light is incident. It quantifies the capacity of an object to take in energy from electromagnetic radiation. It is typically represented as a ratio or percentage of the incident radiation that is absorbed.

the illegal use of children in pornographic pictures or films

European mignonette cultivated as a source of yellow dye; naturalized in North America

one who is moderate in his notions, or not restrained by precise settled limits in opinion; one who indulges freedom in thinking

a friend who is frequently in the company of another

the initial ascent of a rocket from its launching pad