Adjective

(en adjective)

(Polari) .

* 1966 , Kenneth Horne, "Bona Tattoos" in: Round the Horne , series 2

SANDY: Oh, get him ! The vanity of the man. Well, p'raps not Nelson then. How about reproductions of great masterpieces?

JULIAN: A bona idea. Now, let me see...

* 1997 , James Gardiner, Who's a pretty boy then? , page 137

Will you take a varder at the cartz on the feely-omi in the naf strides: the one with the bona blue ogles polarying the omi-palone with a vogue on and a cod sheitel.

* 1997 , Ian Lucas, "The Color of His Eyes: Polari and the Sisters of Perpetual Indulgence" in: Anna Livia, Kira Hall (editors), Queerly Phrased: Language, Gender, and Sexuality , page 90

Bona to vada you.

----

Adjective

(er)

(of a statement) Conforming to the actual state of reality or fact; factually correct.

*

, title=(The Celebrity), chapter=8 , passage=The humor of my proposition appealed more strongly to Miss Trevor than I had looked for, and from that time forward she became her old self again;

* {{quote-book, year=1963, author=(Margery Allingham), title= The China Governess, chapter=20

, passage=The story struck the depressingly familiar note with which true stories ring in the tried ears of experienced policemen. No one queried it. It was in the classic pattern of human weakness, mean and embarrassing and sad.}}

* {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= Old soldiers? , passage=Whether modern, industrial man is less or more warlike than his hunter-gatherer ancestors is impossible to determine.

Conforming to a rule or pattern; exact; accurate.

* Sir (Walter Scott) (1771-1832)

making his eye, foot, and hand keep true time

(logic) Of the state in Boolean logic that indicates an affirmative or positive result.

Loyal, faithful.

Genuine.

* {{quote-magazine, date=2012-01

, author=(Henry Petroski), volume=100, issue=1, page=16, magazine=(American Scientist) , title= The Washington Monument , passage=The Washington Monument is often described as an obelisk, and sometimes even as a “true' obelisk,” even though it is not. A ' true obelisk is a monolith, a pylon formed out of a single piece of stone.}}

Legitimate.

Accurate; following a path toward the target.

* {{quote-journal, year=1801, author=Mrs. Cowley

, title=The siege of Acre, journal=The British Critic, volume=17-18?, page=521 , passage=Whate'er the weapon, still his aim was true , Nor e'er in vain the fatal bullet flew.}}

* {{quote-book, year=2008, author=Carl Hiaasen

, title=The downhill lie: a hacker's return to a ruinous sport, page=188 , passage=I held my breath and struck the ball. My aim was true , but I didn't give the damn thing enough gas. It died three feet from the cup.}}

* 1990 , William W. S. Wei, Time Series Analysis , ISBN 0201159112, page 8:

Let $Z\_t$ be twice the value of a true die shown on the $t$-th toss.