existum.are V 1 1 PRES ACTIVE INF 0 X
existum.are V 1 1 PRES PASSIVE IND 2 S Early
existum.are V 1 1 PRES PASSIVE IMP 2 S
existumo, existumare, existumavi, existumatus V (1st) TRANS [XXXBO]
value/esteem; form/hold opinion/view; think/suppose; estimate; judge/consider;
Syncope r => v.r
Syncopated perfect often drops the 'v' and contracts vowel
existumav.ere V 1 1 PERF ACTIVE IND 3 P
existumo, existumare, existumavi, existumatus V (1st) TRANS [XXXBO]
value/esteem; form/hold opinion/view; think/suppose; estimate; judge/consider;

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.