the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
the most important or necessary part of something; "the basis of this drink is orange juice"
a period of indeterminate length (usually short) marked by some action or condition; "he was here for a little while"; "I need to rest for a piece"; "a spell of good weather"; "a patch of bad weather"
freedom from doubt; belief in yourself and your abilities; "his assurance in his superiority did not make him popular"; "after that failure he lost his confidence"; "she spoke with authority"
a statement intended to inspire confidence; "the President's assurances were not respected"
a binding commitment to do or give or refrain from something; "an assurance of help when needed"; "signed a pledge never to reveal the secret"