facetiousness

n [U].

fabled, fabric, fabricate, fabrication, fabulous, fabulously, facade, face, face to face, face up to, face value, face-card, face-cream, face-lift, face-pack, face-saver, faceless, facet, facetious, facetiously, facia (also fascia), facial, facially, facile, facilitate, facilitation, facility, facing, facsimile, fact, fact-finding, faction, factional, factionalism, factious, factitious, factor, factorable, factorial, factorization, factorisation,