furnish with a preface or introduction; "She always precedes her lectures with a joke"; "He prefaced his lecture with a critical remark about the institution"
move ahead (of others) in time or space
be the predecessor of; "Bill preceded John in the long line of Susan's husbands"
come before; "Most English adjectives precede the noun they modify"
lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight"
lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
separate or isolate (one thing) from another and place in a group apart from others; "the sun segregates the carbon"; "large mining claims are segregated into smaller claims"
divide from the main body or mass and collect; "Many towns segregated into new counties"; "Experiments show clearly that genes segregate"
separate by race or religion; practice a policy of racial segregation; "This neighborhood is segregated"; "We don't segregate in this county"
endorsed authoritatively as having met certain requirements; "a certified public accountant"
holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill; "a registered pharmacist"; "a registered hospital"
having quality or payment or delivery guaranteed; "certified milk"; "certified check"; "certified mail"