In this article, the author focuses on understanding the antecedent conditions of trustworthiness of the users towards the use of e-government services and attempt to propose a model to assess the influences of the trustworthiness for the use of e-government services in Sri Lanka. Trustworthiness was considered as an additional construct along with the technology acceptance model (TAM) constructs. Structural equation modeling (SEM) approach was used to test the proposed model by utilizing the responses of 898 citizens. SEM results reveal that the proposed model is acceptable showing goodness of fit. The proposed model tested by SEM is appropriate to assess what extend trustworthiness of the users influence for the use of e-government services and this would be worth to pay more attention on trust when develop and implement e-government initiatives.