noun
                                                someone who helps to open up a new line of research or technology or art
                                                                                                Synonyms
                                                
                                                
                                                                                             
                                                                                        
                                                noun
                                                one of the first colonists or settlers in a new territory
                                                
                                                                                                Examples
                                                
                                                                                                        - they went west as pioneers with only the possessions they could carry with them
 
                                                                                        
                                                verb
                                                open up an area or prepare a way
                                                                                                Synonyms
                                                
                                                                                                                                                                        open up
                                                                                                                                                            
                                                
                                                                                                Examples
                                                
                                                                                                        - She pioneered a graduate program for women students
 
                                                                                        
                                                verb
                                                take the lead or initiative in
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - participate in the development of
- This South African surgeon pioneered heart transplants
 
                                                                                        
                                                verb
                                                open up and explore a new area
                                                
                                                                                                Examples
                                                
                                                                                                        - pioneer space