Question

read the excerpts from samuel johnsons preface to a dictionary of the english language
so far have i been from any care to grace my pages with modern decorations, that i have studiously endeavoured to collect examples and authorities from the writers before the restoration.
i look with pleasure on my book, however defective, and deliver it to the world with the spirit of a man that has endeavoured well.
in both excerpts, the word endeavour means to
probe, investigate, or examine.
make an effort or attempt, or to try.
judge harshly or criticize.
overlook, ignore, or neglect

Explanation:

In the first excerpt, "endeavoured" is used to show the author's effort in collecting examples. In the second, "endeavoured" implies the author's attempt to do well. Both usages suggest making an effort.

Answer:

make an effort or attempt, or to try.