Founded on; having a basis; often used in combining forms.

Being derived from (usually followed by on or upon). / Having a base / Having a base of operations.

(slang, of a person) Not caring what others think about one's personality, style, or behavior; focused on maintaining individuality.

simple past tense and past participle of base on

(baseball) Having reached a base in an inning. / Located within the premises of a military base. / (aviation) Flying the base leg of an approach.

(transitive) To ground (an opinion, a conclusion, etc) on. / (transitive) To derive (a work) from.

plural of basing

Something from which other things extend; a foundation. / A supporting, lower or bottom component of a structure or object. / The starting point of a logical deduction or thought; basis.

Alternative form of BASE

(obsolete) Low in height; short. / Low in place or position. / (obsolete) Of low value or degree. / (archaic) Of low social standing or rank; vulgar, common. / Morally reprehensible, immoral; cowardly.