mact.i ADJ 1 1 GEN S M POS
mact.i ADJ 1 1 GEN S N POS
mact.i ADJ 1 1 NOM P M POS
mact.i ADJ 1 1 VOC P M POS
mactus, macta, mactum ADJ [XXXDX] lesser
of the Gods, worshiped, honored;
macti ADJ 9 9 X X X POS
macti, undeclined ADJ [XXXDX] lesser
well done! good! bravo! (VOC of mactus, N implied) (macte S, macti P);

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.