observed

all, all, light, open, successful

We watched the successful observed practices that other schools had already implemented.

effect, ought, police

The police observed suspicious activity near the bank last night.

birds, man, strategies, students

The researchers observed birds migrating south for the winter across the mountain range.

with

She observed with great interest as the children played in the park.

also, always, closely, closely, strictly

The rules were always observed by everyone in the community.