adequate, effective, proper, sufficient
Does the procedure provide adequate safeguards against corruption?

added, additional, extra, further | appropriate, necessary | environmental, nuclear | constitutional, legal, procedural

introduce | provide (sb with) | build in/into sth
Appropriate safeguards would have to be built into the procedures to avoid abuses.

~ against
The credit agreement includes safeguards against overcharging.

fully, properly | adequately, satisfactorily
This legislation does not adequately safeguard the rights of consumers.

help (to) | be designed to | take steps to

against
We must take steps to safeguard our environment against these threats.

from
to safeguard the young plants from frost