To cause (someone) to be active, attentive, or excited; stir up.
Exert is defined as to put forth or into use with great energy.
To arouse strong feeling in:
To put to test.
Find another word for bestir. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for bestir, like: stir-up, rouse, exert, exert oneself, excite, incite, try, betake, bethink and undeceive.