ascetical
- a pertaining to or characteristic of an ascetic or the practice of rigorous self-discipline
 - s practicing great self-denial
 
ascitic
- a of or relating to or resulting from an abnormal accumulation of protein and electrolyte rich fluid in the peritoneal cavity
 
ascomycetous
- a related to or characteristic of fungi of the class Ascomycetes
 
ascribable
- s  capable of being assigned or credited to
                    
                        
                            
punctuation errors ascribable to careless proofreading 
aseptic
- s  free of or using methods to keep free of pathological microorganisms
                    
                        
                            
aseptic surgical instruments
aseptic surgical techniques 
asexual
- a  not having or involving sex
                    
                        
                            
an asexual spore
asexual reproduction