51 synonyms for practical such as down-to-earth, active, constructive, everyday, businesslike, and commonsensical. Practical is an adjective, and its antonyms are impractical and theoretical.
Active, actual, applied, empiric, empirical, experiential, experimental, hands-on, heuristic, how-to, in the field, non-theoretical, pragmatic, and real.
Accomplishable, constructive, doable, feasible, helpful, possible, practicable, realistic, reasonable, sensible, useful, viable, and workable.
Appropriate, everyday, functional, ordinary, sensible, serviceable, suitable, useful, utilitarian, utility, and workaday.
Businesslike, commonsensical, down-to-earth, hard-headed, hard-nosed, matter-of-fact, no-nonsense, pragmatic, rational, realistic, reasonable, and sensible.