possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"
13
dexterity
adroitness in using the hands
4
ability
possession of the qualities (especially mental qualities) required to do something or get something done; "danger heightened his powers of discrimination"
2
aid
the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose: "he gave me an assist with the housework"; "could not walk without assistance"; "rescue party went to their aid"; "offered his help in unloading"