The Collaborative International Dictionary
Assiduate
Assiduate \As*sid"u*ate\, a. [L. assiduatus, p. p. of assiduare
to use assiduously.]
Unremitting; assiduous. [Obs.] ``Assiduate labor.''
--Fabyan.
Wiktionary
assiduate
a. (context obsolete English) unremitting; assiduous