adj. 25B6; adjective
you've got to be realistic : PRACTICAL, pragmatic, matter-of-fact, down-to-earth, sensible, commonsensical; rational, reasonable, level-headed, clear-sighted, businesslike; informal having both/one's feet on the ground, hard-nosed, no-nonsense.
a realistic aim : ACHIEVABLE, attainable, feasible, practicable, viable, reasonable, sensible, workable; informal doable.
a realistic portrayal of war : TRUE (TO LIFE), lifelike, truthful, faithful, real-life, naturalistic, graphic.
idealistic, impracticable.