I. noun
1.
Synonyms: implement , instrument, utensil
Related Word: machine, mechanism
2.
one used or manipulated by another to accomplish his purposes
had no intention of being used as a tool by either faction
Synonyms: cat's-paw, pawn, puppet, stooge
Related Word: agent, hireling, vehicle; chump, sucker
II. verb
Synonyms: drive 5, auto, charioteer, motor, pilot, wheel