Rassir belong to the 3
rd group.																																													
																									Rassir is conjugated the same way that verbs that end in : 
-ir
																									Rassir is conjugated with 
auxiliary avoir.
																																	Rassir is a defective verb.
																			 It can not be conjugated in all possible forms.
																																		Rassir verb is
									intransitive.
																																									French verb rassir can be conjugated in the reflexive form: 
Se rassir