Fetching details from the dictionary...
to be anxious (about); to be concerned (about); to worry (about); to fear
to think out (e.g. a plan); to work out; to devise; to consider; to ponder
to investigate
to stroke; to rub; to pat; to grasp (the hilt of one's sword)
友人の安否を案ずる日々が続いた。
Days of worrying about my friend's safety continued.
案ずるより産むが易しということわざがある。
There's a proverb that it's easier to do than to worry.
将来を案ずるよりも今できることに集中しよう。
Let's focus on what we can do now rather than worrying about the future.