Synonyms to no joke

gravity, G, G suit, acuteness, adduction, affinity, allurement, apogeotropism, attractance, attraction, attractiveness, attractivity, augustness, avoirdupois, beef, beefiness, bleakness, buckram, capillarity, capillary attraction, centripetal force, ceremonial, ceremoniousness, ceremony, courtliness, darkness, deadweight, decorousness, demureness, dignifiedness, dignity, dismalness, drag, draw, dreariness, earnestness, elevation, exigency, extrinsicality, fatness, form, formality, formalization, geotropism, gloom, gloominess, grandeur, gravitation, graviton, grimness, gross weight, heaviness, heft, heftiness, immediacy, impersonality, importance, kingliness, liveweight, loftiness, long face, lordliness, magnetism, magnitude, majesty, mass, moderation, momentousness, mutual attraction, neat weight, net, net weight, no laughing matter, nobility, overbalance, overweight, pomp, pomposity, ponderability, ponderosity, ponderousness, poundage, pride of bearing, pride of place, primness, princeliness, proud bearing, pull, pulling power, regality, reserve, rigidness, ritual, rituality, sedateness, serio