Verb

To describe or characterize something by listing its qualities.

To make someone, or to become competent or eligible for some position or task.

* Macaulay

He had qualified himself for municipal office by taking the oaths to the sovereigns in possession.

To certify or license someone for something.

To modify, limit, restrict or moderate something; especially to add conditions or requirements for an assertion to be true.

*1598 , Shakespeare,

*:O! never say that I was false of heart,

*:Though absence seem'd my flame to qualify

To mitigate, alleviate (something); to make less disagreeable.

* 1590 , Edmund Spenser, The Faerie Queene , II.vi:

he balmes and herbes thereto applyde, / And euermore with mighty spels them charmd, / That in short space he has them qualifyde , / And him restor'd to health, that would haue algates dyde.

To compete successfully in some stage of a competition and become eligible for the next stage.

To give individual quality to; to modulate; to vary; to regulate.

* Sir Thomas Browne

It hath no larynx to qualify the sound.

(juggling) To throw and catch each object at least twice.

Verb

(refin)

To reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy; to separate from extraneous matter; to purify

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= Yesterday’s fuel , passage=The dawn of the oil age was fairly recent. Although the stuff was used to waterproof boats in the Middle East 6,000 years ago, extracting it in earnest began only in 1859 after an oil strike in Pennsylvania.

To purify from what is gross, coarse, vulgar, inelegant, low, and the like; to make elegant or excellent; to polish.

To become pure; to be cleared of feculent matter.

To improve in accuracy, delicacy, or excellence.

To affect nicety or subtlety in thought or language.