Synonyms of the word 
SUCCESSFULNESS → LUCKINESS - PROSPERITY
successfulness
- n. The state or condition of being successful.
luckiness
- n. The property of being lucky; good luck.
prosperity
- n. The condition of being prosperous, of having good fortune.
If you are interested in words, visit the following sites :
- wiktionary.org/successfulness For complete definition of a word
- 1word.ws/successfulness to play with words, suffixs, prefixs, etc.