1) Deserving reward or praise 2) Meritable 3) Praiseworthy 4) Worthy 1) Meritable 2) Praiseworthy 3) Worthy 
• (a.) Possessing merit; deserving of reward or honor; worthy of recompense; valuable.
Mer`i·to'ri·ous adjective [ Latin meritorius that brings in money.] Possessing merit; deserving of reward or honor; worthy of recompense; valuable. « And meritorious shall that hand be called, Canonized, and worshiped as a saint.» Shak. -- 
[adj] - deserving reward or praise
meritorious, meritory Deserving praise, reward, esteem, etc.; having merit; praiseworthy.
meritable adjective deserving reward or praise; `a lifetime of meritorious service`; `meritorious conduct`