Some synonyms are:
announce
present
submit
self introduction self introduction
Synonyms : self- respect, self -esteem , poise , pride, self -possession, self - worth
self-producer
self-controlwishdesirechoicewantbequestdeclarationresolution
Narcissistic is a rather less than positive way of being. As such I can't really think of any 'nice' synonyms. However, some synonyms are vain, self-centered, egotistic, conceited.
True identity
self-ruling, free, independent, sovereign, self-sufficient, self-governing
smugness, satisfaction, contentment, self-congratulation, self-satisfaction
Self-awareness Self-monitored learning
hey , how do you do ... this is ...
display, entrance, emergence, arrival, exhibition, presence, introduction,
Synonyms for ambitious (depending upon context) include self-promoting, confident.