Toolkit/ˈtuːlkɪt/ Definition 1 of 3Pro Tip 1/3Physical Object Originally refers to a collection of actual tools you can touch and hold. She carried her painting toolkit to the workshop. Pro Tip 2/3Task Specific Toolkit suggests being equipped for specific activities or tasks. As a plumber, his toolkit is essential for fixing pipes. Pro Tip 3/3Metaphoric Extension Can be used metaphorically for any set of skills or information needed. Effective communication is a vital part of your social toolkit.