Synonyms of the word

instrumental

• adj. Acting as an instrument; serving as a means; contributing to promote; conductive; helpful; serviceable;…
• adj. (music) Pertaining to, made by, or prepared for, an instrument, especially a musical instrument.
• adj. (grammar) Applied to a case expressing means or agency, generally indicated in English by by or with with…
• n. (uncountable, grammar) The instrumental case.
• n. (countable, music) A composition written or performed without lyrics, sometimes using a lead instrument…

device

• n. Any piece of equipment made for a particular purpose, especially a mechanical or electrical one.
• n. (computing) A peripheral device; an item of hardware.
• n. A project or scheme, often designed to deceive; a stratagem; an artifice.
• n. (Ireland) An improvised explosive device, home-made bomb.
• n. (rhetoric) A technique that an author or speaker uses to evoke an emotional response in the audience;…
• n. (heraldry) A motto, emblem, or other mark used to distinguish the bearer from others. A device differs…
• n. (archaic) Power of devising; invention; contrivance.
• n. (law) An image used in whole or in part as a trademark or service mark.
• n. (printing) An image or logo denoting official or proprietary authority or provenience.
• n. (obsolete) A spectacle or show.
• n. (obsolete) Opinion; decision.

helpful

• adj. Furnishing help; giving aid; useful.

implemental

• adj. Pertaining to, or characterized by, implements or their use; mechanical.

subservient

• adj. Useful in an inferior capacity.
• adj. Obsequiously submissive.