pontificate

Example:She pontificated at the press conference, giving a lengthy lecture about the significance of the event.

Definition:to make formal or official statements to a person or group, often to criticize or scold

Example:The company CEO lectured employees in a way that bordered on pontificating about the future of the firm.

Definition:to address a group formally in an informative and critical manner

Example:The priest liked to preach in a way that could be seen as pontificating about the church's views.

Definition:to deliver a sermon or to deliver a discourse (usually moralistic) in a formal manner