The phrase "an appropriate replacement for" is correct and usable in written English.
You can use it when discussing alternatives or substitutes for something, indicating that the replacement is suitable or fitting.
Example: "In this case, using a different software program may serve as an appropriate replacement for the outdated system we currently have."
Alternatives: "a suitable substitute for" or "an acceptable alternative to".
Was a sickly-sweet liqueur an appropriate replacement for a communications giant?
Do you think this person would or would not be an appropriate replacement for the large void created by Justice O'Connor's departure, and why?
In many ways, Cummins was an appropriate replacement for Harris given the way injury has also hampered his career, limiting him to just six first-class matches and his one and only Test.
From the Indianapolis Colts' stumbling scramble to find an appropriate replacement for Peyton Manning to playoff contenders like the Texans and the Chicago Bears putting their late-season runs into the hands of backups — and, in the Texans' case, third-teamers — the players who usually wear ball caps during games have instead worn the yoke of their teams' hopes.
The results demonstrated that selection of an appropriate replacement for both coarse and fine clay brick aggregates can lead to better performance of the blocks at elevated temperatures.
High efficiency of intravenous propofol in the treatment of acute resistant migraine headaches can pave the way for new treatments in the field of migraine headaches and also be an appropriate replacement for other common medications for the treatment of migraines.
Electronic music for theatre and films seems an especially appropriate replacement for a disembodied, nonexistent orchestra heard from a tape or a sound track.
Democrats better hope that they can find an appropriate replacement in time for 2010, even if it means a bitter primary battle.
The new station would be named after the late Senator Daniel Patrick Moynihan, who called the original Penn Station "the best thing in our city" and fought long and hard for an appropriate replacement.
According to this study, the biological synthesis of NPs using plant extracts can be considered as a cost-effective and efficient method of biological synthesis of NPs and it could be an appropriate replacement to typical chemical methods for the synthesis of NPs.
On Nov. 1, they will become a grand and appropriate replacement for a gaping loss, a sense of revenge, a concept in the psyche of all true Brooklynites.
