Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
to understand
Usage: 1) to discern, understand, consider 1a) (Qal) 1a1) to perceive, discern 1a2) to understand, know (with the mind) 1a3) to observe, mark, give heed to, distinguish, consider 1a4) to have discernment, insight, understanding 1b) (Niphal) to be discerning, intelligent, discreet, have understanding 1c) (Hiphil) 1c1) to understand 1c2) to cause to understand, give understanding, teach 1d) (Hithpolel) to show oneself discerning or attentive, consider diligently 1e) (Polel) to teach, instruct 2) (TWOT) prudent, regard