| Main Entry: | |
| Part of Speech: | noun |
| Definition: | importance |
| Synonyms: | advantage, avail, concern, consequence, gravity, import, magnitude, momentousness, note, pith, profit, seriousness, significance, signification, substance, use, value, weight, weightiness, worth |
| Antonyms: | triviality, unimportance |
| Main Entry: | seriousness |
| Part of Speech: | noun |
| Definition: | humorlessness |
| Synonyms: | calmness, coolness, earnest, earnestness, gravity, intentness, sedateness, serious-mindedness, sincerity, sober-mindedness, sobriety, solemnity, staidness, sternness, thoughtfulness |
| Antonyms: | funniness, humor, lightness |
| Main Entry: | seriousness |
| Part of Speech: | noun |
| Definition: | danger; criticalness |
| Synonyms: | enormity, gravity, importance, moment, significance, urgency, weight |
| Antonyms: | triviality, unimportance |
| Main Entry: | significance |
| Part of Speech: | noun |
| Definition: | importance |
| Synonyms: | authority, consequence, consideration, credit, excellence, gravity, import, impressiveness, influence, magnitude, matter, merit, moment, momentousness, perfection, pith, prestige, relevance, signification, virtue, weight, weightiness |
| Antonyms: | insignificance, triviality, unimportance |
| Main Entry: | validity |
| Part of Speech: | noun |
| Definition: | genuineness, lawfulness |
| Synonyms: | authority, cogency, effectiveness, efficacy, force, foundation, gravity, grounds, legality, legitimacy, persuasiveness, point, potency, power, punch, right, soundness, strength, substance, validness, weight |
| Antonyms: | invalidity |
| Main Entry: | weight |
| Part of Speech: | noun |
| Definition: | heaviness |
| Synonyms: | G-factor, adiposity, avoirdupois, ballast, burden, density, gravity, gross, heft, heftiness, load, mass, measurement, net, ponderosity, ponderousness, poundage, pressure, substance, tonnage |
| Main Entry: | gravitation |
| Part of Speech: | noun |
| Definition: | mutual attraction |
| Synonyms: | gravity, planetary motion |
| Notes: | gravitation is the mutual force by which all bodies attract one another and a function of the masses of the bodies, the distance between them, and the gravitational constant; gravity is the force of gravitation on the earth or other celestial object (and also called acceleration or free fall) |
| Main Entry: | solemnity |
| Part of Speech: | noun |
| Definition: | sobriety |
| Synonyms: | ceremony, earnestness, gravity, impressiveness, impressiveness, seriousness |
| Main Entry: | genuineness |
| Part of Speech: | noun |
| Definition: | authenticity |
| Synonyms: | authority, cogency, effectiveness, efficacy, force, foundation, gravity, grounds, legality, legitimacy, persuasiveness, point, potency, power, punch, realness, right, soundness, strength, substance, truthfulness, validity, validness, weight |