promiss.is N 2 2 LOC P N
promiss.is N 2 2 DAT P N
promiss.is N 2 2 ABL P N
promissum, promissi N (2nd) N [XXXDX] lesser
promise;
promiss.is ADJ 1 1 DAT P X POS
promiss.is ADJ 1 1 ABL P X POS
promissus, promissa, promissum ADJ [XXXDX] lesser
flowing, hanging down;
promiss.is VPAR 3 1 DAT P X PERF PASSIVE PPL
promiss.is VPAR 3 1 ABL P X PERF PASSIVE PPL
promitto, promittere, promisi, promissus V (3rd) [XXXAX]
promise;

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.