Correct Answer: Diffuse

Solution : The fourth option is the correct choice.

Permeate means to spread throughout or to pass through something, usually referring to a substance moving through a material or an idea spreading through a group.

Diffuse is a suitable synonym for permeate . When something diffuses, it spreads out or scatters widely.

The meanings of the other options are as follows:

• Exude focuses on the gradual release or display of a substance, quality, or feeling.
• Continue emphasises the uninterrupted or ongoing nature of an action or state.
• Remain denotes what is left or persists after a change or process, indicating the continuation of something.