Attenuation; a diminishing.

The action of treating, regulating, or varying something so as to achieve due measure and proportion; variation of light, line, form, etc., with…

The action of qualify, v. (in various senses), qualification; an instance of this.

The action of limiting, qualifying, or toning down a statement, etc.; restriction, reservation, qualification; an instance of this.

The action of modifying something (in various senses); modification; an instance of this.

A clause, condition, circumstance, etc., which qualifies or modifies; a reservation, restriction, provision; (also) the action of modifying or…