being or characterized by concepts or their formation; "conceptual discussions"; "the schizophrenic loses ability to abstract or do conceptual thinking"; "sex is a notional category, gender is a grammatical category"
highly educated; having extensive information or understanding; "an enlightened public"; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
exercising caution or showing care or attention; "they were careful when crossing the busy street"; "be careful to keep her shoes clean"; "did very careful research"; "careful art restorers"; "careful of the rights of others"; "careful about one's behavior"
with care and dignity; "walking at the same measured pace"; "with all deliberate speed"
mindful of the future in spending money; "careful with money"
cautiously attentive; "careful of her feelings"; "heedful of his father's advice"
full of cares or anxiety; "Thou art careful and troubled about many things"-Luke 10.41
affected by a disorder of the mind; "a mental patient"; "mental illness"
involving the mind or an intellectual process; "mental images of happy times"; "mental calculations"; "in a terrible mental state"; "mental suffering"; "free from mental defects"
of or relating to the chin- or liplike structure in insects and certain mollusks
of or relating to the mind; "mental powers"; "mental development"; "mental hygiene"
smoothly agreeable and courteous with a degree of sophistication; "he was too politic to quarrel with so important a personage"; "the hostess averted a confrontation between two guests with a diplomatic change of subject"; "the manager pacified the customer with a smooth apology for the error"; "affable, suave, moderate men...smugly convinced of their respectability" - Ezra Pound
marked by artful prudence, expedience, and shrewdness; "it is neither polite nor politic to get into other people's quarrels"; "a politic decision"; "a politic manager"; "a politic old scoundrel"; "a shrewd and politic reply"
requiring effort or concentration; complex and not easy to answer or solve; "raised serious objections to the proposal"; "the plan has a serious flaw"
of great consequence; "marriage is a serious matter"
concerned with work or important matters rather than play or trivialities; "a serious student of history"; "a serious attempt to learn to ski"; "gave me a serious look"; "a serious young man"; "are you serious or joking?"; "Don't be so serious!"