Wordnet 3.0
ADJECTIVE (1)
1. 
 at an elevated level in rank or importance; 
- Example: "a high-level official"- Example: "a high-level corporate briefing"- Example: "upper-level management"[syn: high-level, high-ranking, upper-level]
WordNet (r) 3.0 (2006):
upper-level
    adj 1: at an elevated level in rank or importance; "a high-level
           official"; "a high-level corporate briefing"; "upper-
           level management" [syn: high-level, high-ranking,
           upper-level]