what is synanomem and antanomem of these words,captives,abolitionists,apprentice,assisted,conflict,dread,encouraged,enslavement,influentail,privateers,& tacking

To find synonyms, go to

http://www.answers.com or http://www.dictionary.com or
http://www.thesaurus.com

To find antonyms, go to
http://www.thesaurus.com