Words similar to necessary

Example sentences for: necessary

How can you use “necessary” in a sentence? Here are some example sentences to help you improve your vocabulary:

12612 (Federalism) and concludes that the preemption requirement of the final rule is necessary for the national organ sharing system to be effective across state lines.
These “inalienable rights” should express themselves in a catalogue of human rights, including the right to sexual privacy, to reproductive freedom, and to governmental services necessary for the “pursuit of happiness.”
For the small number of cases (N = 8) for whom lymph node involvement code was unknown, we considered this the same as no lymph node involvement because the tumor size was so small for these cases that a lymph node dissection was not considered necessary at the time of this study.
But the real question Boaz begs is why the laws he thinks are necessary for society to function, including fair chunks of the U.S.
Furthermore, recognizing that the responsible mutation may be present in one of the intron-exon splice junctions, it is also necessary to obtain the corresponding genomic sequence.