Merriam-Webster Online Dictionary
understand (verb)transitive verb
1.
a) to grasp the meaning of - understand Russian
b) to grasp the reasonableness of - his behavior is hard to understand
c) to have thorough or technical acquaintance with or expertness in the practice of - understand finance
d) to be thoroughly familiar with the character and propensities of - understands children
2.
to accept as a fact or truth or regard as plausible without utter certainty - we understand that he is returning from abroad
3.
to interpret in one of a number of possible ways
4.
intransitive verb
to supply in thought as though expressed - “to be married” is commonly understood after the word engaged
1.
to have have the power of comprehension - understanding
2.
to achieve a grasp of the nature, significance, or explanation of something
3.
to believe or infer something to be the case
4.
to show a sympathetic or tolerant attitude toward something
Merriam-Webster Online Thesaurus
understand (verb)1.
to form an opinion or reach a conclusion through reasoning and information
SYNONIMS:
conclude, decide, deduce, derive, extrapolate, gather, judge, make out, reason, understandRELATED WORDS:
assume, suppose; conjecture, guess, speculate, surmise; construe, interpret, read; contemplate, philosophize, rationalize, think; ascertain, dope (out), find out2.
to have a practical understanding of
SYNONIMS:
comprehend, grasp, understandRELATED WORDS:
appreciate, apprehend, cognize, fathom, follow, ken [], perceive, savvy; have, possess; catch on (to), pick upNEAR ANTONYMS:
misapprehend, misconceive, misinterpret, misknow, misperceive, misunderstand3.
to have a clear idea of
SYNONIMS:
appreciate, apprehend, assimilate, behold, catch, catch on (to), cognize, compass, conceive, cotton (to on to), decipher, decode, dig, discern, get, grasp, grok, intuit, know, make, make out, perceive, recognize, register, savvy, see, seize, sense, tumble (to), twig, understandRELATED WORDS:
absorb, digest, take in; realize; fathom, penetrate, pierceNEAR ANTONYMS:
misapprehend, misconceive, misconstrue, misinterpret, misperceive, misread, mistake, misunderstand