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

(Australia, slang) Truly, honestly.

(idiomatic) Actions permissible by the rules. / (idiomatic) A goal or an object that may legitimately be sought. / (idiomatic) An acceptable subject or target for criticism, scrutiny, mockery, or attack.

(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 competition in which contestants, usually children, create science-related projects or demonstrations.

(nautical) A favourable wind, i.e. one blowing in the desired direction of travel for the vessel.

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.

(usually followed by "to") To have a reasonable claim; to seem likely.

An assumption that is likely to be true.