| A | B |
| actuality | The state of being actual or real; truly existing |
| applicable | Readily usable; practical |
| authenticity | The quality of being authentic, trustworthy, or genuine |
| bona fide | 1) authentic and genuine 2) made and carried out in good faith |
| categorical | 1) without exception; absolute and explicit 2) of or relating to categories or arrangement or order |
| defensible | Justifiable for accuracy |
| factual | Of the nature of fact; real |
| genuine | Not counterfeit but authentic; honest and real; sincere |
| invulnerable | impossible to damage or enter; not able to alter the reality |
| legitimacy | The quality of being legitimate--authentic, according to the law |
| materiality | 1) The state of being material 2) Being of real or substantive quality |
| pragmatic | Dealing with facts, reality, actual occurrences |
| real McCoy | An authentic thing or quality; not an imitation or substitute |
| tangible | Possible to touch; real or concrete |
| tenable | Capable of being held or maintained |
| truism | Self-evident truth, actuality, reality |
| unassailable | Undeniable, actual and authentic |
| valid | Real, authentic, correct; sound and well-grounded |
| veracity | Adherence to truth, reality, accuracy and precision |
| veritable | Being truly so-called; real or genuine |
| aberration | A defect or departure from normal; deviation or imperfection |
| artifice | Pretense, deception, or ruse |
| chimera | A fanciful mental illusion or fabrication |
| deceptive | Tending to deceive, betray, or fool |
| ephemeral | Not real or authentic for any length of time; fleeting |
| erroneous | Mistaken and untrue |
| evanescent | Vanishing or likely to vanish; without much substance |
| fallacy | 1) A false notion 2) A flaw in an argument 3) An untruth |
| fantasy | A creation of the imagination; an imagined event |
| fleeting | Passing quickly; ephemeral |
| hallucination | 1) A delusion 2) A multisensory experience with no external stimulus |
| illusion | An erroneous perception of reality |
| imaginative | Having a lively, creative mind |
| imaginary | From the imagination |
| imprecise | Not precise |
| inaccurate | Not accurate |
| mirage | Something that is illusory or insubstantial |
| phantasm | An illusion; a ghost or spirit |
| semblance | Outward appearance |
| short-lived | lasting only a short while; fleeting |
| transient | Passing in time; remaining only briefly |
| whimsy | A whim or fanciful idea |