to all appearances
So far as anyone can tell by observation; apparently.
James wrote back to his brother of Caroline and Pergami, "they are to all appearances man and wife, never was anything so obvious." Source: Internet
In the last months of his life, however, Malcolm X began to reconsider his support for black nationalism after meeting northern African revolutionaries who, to all appearances, were white. Source: Internet
While the incident was an accident and Williams apologized to the woman personally, to all appearances it seemed at the time that Williams had hurled the bat in a fit of temper. Source: Internet