term:

Aid

aid vt

: to provide with what is useful in achieving an end [conspiracy to counsel or draft resisters "K. A. Cohen"] often used in the phrase aid and abet; see also abet
vi
: to be of use [aided in the commission of the crime]
aid·er n

n 1 : an act of aiding [render to the principal]
2 : help given
;esp
: tangible means of assistance (as money or supplies) [ to the disabled] [giving and comfort to the enemy]

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.