Wordnet 3.0
ADJECTIVE (1)
1. 
 worthy of high praise; 
- Example: "applaudable efforts to save the environment"- Example: "a commendable sense of purpose"- Example: "laudable motives of improving housing conditions"- Example: "a significant and praiseworthy increase in computer intelligence"[syn: applaudable, commendable, laudable, praiseworthy]
The Collaborative International Dictionary of English v.0.48:
applaudable \applaudable\ adj.
   1. worthy of being applauded.
      [WordNet 1.5]
WordNet (r) 3.0 (2006):
applaudable
    adj 1: worthy of high praise; "applaudable efforts to save the
           environment"; "a commendable sense of purpose"; "laudable
           motives of improving housing conditions"; "a significant
           and praiseworthy increase in computer intelligence" [syn:
           applaudable, commendable, laudable, praiseworthy]