\documentclass[12pt]{article}
\usepackage[utf8]{inputenc}
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\usepackage{array}

\begin{document}

\begin{table}[!h]
\centering
\caption{Text}
\bigskip
\begin{tabular}{|c|c|c|m{7cm}|}
\hline
Term & Week\# & Miloston\# &\centering\arraybackslash Miloston Description\\
\hline
 &
8 & 1 &
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\end{itemize}
\\
\cline{2-4}
498 & 8 & 1 &
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\end{itemize}
\\
\cline{2-4}
 & 8 & 1 &
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\item
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\end{itemize}
\\
\hline
\end{tabular}

\end{table}

\end{document}