• for nothing, gratuitously
• to quarrel with one's own shadow
• to blame, to incriminate
• advised, astute, brainy, bright, canny, nimble, nimble-minded, nimble-witted, politic, prudent, sharp, shrewd, smart, sophisticated, wise
• to beget, begat, begotten, to beget, begot, begotten, to breed, bred, to bring forth, to bring on, to cause, to effect, to engender, to generate, to give, gave, given, to inchoate, to induce, to inflict, to make, made, to motivate, to occasion, to operate, to produce, to provoke, to set up