はかhakaruはかhakaru
1.

To carefully devise a strategy or plan in order to achieve a specific goal or intention, often involving thoughtful consideration and organization of actions.

2.

To seek the opinions or advice of others regarding a certain issue or decision, typically in a collaborative or consultative manner.

3.

To make an estimation or judgement about a situation or person based on experience or insight, often leading to an understanding of underlying motives or circumstances.

Example:

私はいろいろな機会を利用して英語の上達をはかった。