the actions or beliefs of those who lead a certain movement or field
vanguardism in American English
(ˈvænɡɑːrˌdɪzəm)
noun
the beliefs and activities of persons who consider themselves to be leaders in a particular field or school of thought
Derived forms
vanguardist
noun
Word origin
[vanguard + -ism]-ism is a suffix appearing in loanwords from Greek, where it was used to form action nounsfrom verbs (baptism). On this model, -ism is used as a productive suffix in the formation of nouns denoting action or practice,state or condition, principles, doctrines, a usage or characteristic, devotion oradherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism)