overween

To think too highly or confidently, especially of one’s self; be arrogantly conceited; presume: now chiefly in the present participle.

To make conceited or arrogant.

To think too highly or arrogantly; to regard one’s own thinking or conclusions too highly; hence, to be egotistic, arrogant, or rash, in opinion; to think conceitedly; to presume.

To think too highly or arrogantly of (oneself).

To make or render arrogant and overweening.

To overwhelm.