(n.) The quality or state of being practical; practicalness.

achievability actability adaptability applicability attainability availability balance common sense compassability convenience cool head coolheadedness coolness down-to-earthness ductility due sense of earthiness effectiveness efficacy efficiency feasibility flexibility freedom from illusion functionality good sense handiness hardheadedness helpfulness horse sense lack of feelings level head levelheadedness malleability manageability manageableness maneuverability matter-of-factness negotiability operability performability plain sense pliability pliancy positivism practicability practical mind practical utility practical wisdom practical-mindedness practicalness pragmaticism pragmatism profitability rationality realism realizability reason reasonableness saneness sanity scientism secularism sense sensibleness serviceability sober-mindedness soberness sobriety soundness superability surmountability unidealism unromanticalness unsentimentality untroublesomeness usability use usefulness utility utilizability viability viableness wieldableness wieldiness workability worldliness