Wordnet 3.0
NOUN (1)
1. 
 36th President of the United States; 
 was elected vice president and succeeded Kennedy when Kennedy was assassinated (1908-1973); 
[syn: Johnson, Lyndon Johnson, Lyndon Baines Johnson, LBJ, President Johnson, President Lyndon Johnson]
WordNet (r) 3.0 (2006):
Lyndon Johnson
    n 1: 36th President of the United States; was elected vice
         president and succeeded Kennedy when Kennedy was
         assassinated (1908-1973) [syn: Johnson, Lyndon Johnson,
         Lyndon Baines Johnson, LBJ, President Johnson,
         President Lyndon Johnson]