Stand in hand is a phrase that means to be responsible for something or to take care of something. There are many synonyms that can be used in place of stand in hand, such as oversee, manage, supervise, guide, direct, lead, control, and shoulder the responsibility. These words can be used interchangeably to convey the same meaning. For instance, you can use 'oversee' instead of 'stand in hand' in a sentence like "It is my responsibility to oversee the project." Similarly, 'guide' can replace 'stand in hand' in a sentence like "I will guide you through the process." In conclusion, using synonyms for stand in hand can help you add variety to your writing and make your message clearer.