Inst.

inst.
 * 1) Institute.
 * 2) Instant: of the current month.
 * your letter of the 16th inst.

Anagrams

 * ints
 * isn't
 * NIST
 * nits
 * snit
 * tins

Abbreviation

 * 1) institute, institution, department, inst., dept.;
 * inst. f. datalogi
 * dept. of computer science

inst. inst.