1) Discourse 2) Evangelical 3) Preaching 4) Seeking to evangelize 5) Sermon 6) Striving to convert sinners 1) Enthusiastic 
• (a.) Pertaining to the four evangelists; designed or fitted to evangelize; evangelical; as, evangelistic efforts.
E·van`gel·is'tic adjective Pertaining to the four evangelists; designed or fitted to evangelize; evangelical; as, evangelistic efforts. 
an event, message or approach that has the aim of evangelisation and ultimately, conversions. Not to be confused with Evangelical. 
[adj] - relating to or promoting the preaching and dissemination of the Christian gospel
adjective relating to or promoting the preaching and dissemination of the Christian gospel; `evangelistic fervor`; `the evangelistic concerns of the early church`
pertaining to evangelists or to preachers of the gospel. · evangelical. · seeking to evangelize; striving to convert sinners. · designed or fitted to evangelize. · (often cap.) of or pertaining to the four Evangelists.