Suitable for use only during fair weather / (of friends, etc.) Dependable only in the absence of trouble.

(idiomatic) Totally fairly and undoubtedly. / (idiomatic) Within the applicable rules. / (idiomatic) In all fairness; equitably.

An exhibition at which members of a specific industry exhibit or demonstrate their products to prospective customers and to each other

The ability to do or say what is appropriate for the occasion.

(baseball, softball) A ball which has been hit between the first base and third base lines

(Australia, slang) Truly, honestly.

(Australia, slang) Genuine, honest, fair and square.

(law) a doctrine in intellectual property law that permits one party to make use of another party's protected intellectual property (such as a copyright or trademark) under narrowly defined circumstances.

A handwritten document that has been written neatly and correctly without scratch-outs and revisions.

Linen of the highest quality, especially that suited for use on an altar. The use of other quality fabric is now more common.