For the first time in English history, female authors assumed a central role.

The author might have assumed that officials from a rural district could not do anything properly.

The song was well known by the first half of the 19th century, though most authors assume an earlier origin.

This may be problematic if the author assumes the reader is already familiar with the notation in use.

The study's authors may have been simply assuming that people do not change their dietary habits very often.

In this strategy, the author assumes tight control over the material and what it means.

An author assumes that you're going to start reading on page one.

In this example, the author assumes the convention that zero is often called "O."

The author can assume little, since novices lack the language necessary to begin.

Both authors assume that the species occurs very poorly and this is not due to human activity.