The phrase "a safe base" is correct and usable in written English.
It can be used to refer to a secure or stable starting point or foundation for actions or decisions.
Example: "In times of uncertainty, having a safe base allows individuals to make informed choices without fear."
Alternatives: "a secure foundation" or "a stable starting point."
One of Russia's poorest provinces, it hosts thousands of refugees, and is supposedly a safe base for international agencies working in neighbouring Chechnya.
We will maintain our currency and responsibly pay our debts so that, instead of gold, the world can have the dollar as a safe base upon which all other economic activity can take place.
It was noted that ice conditions were unstable, precluding the establishment of a safe base there.
In the presence of a sensitive and responsive caregiver, the infant will use the caregiver as a "safe base" from which to explore.
With the development of locomotion, the infant begins to use the caregiver or caregivers as a "safe base" from which to explore.
The party would have no line of retreat to a safe base; the only way to go would be forward, a situation that fitted Nansen's philosophy completely.
They also offer up an equation that can predict when a lead is a safe, based on the size of the point difference and the time left in the game.
Yemen's weak central authority, its complex tribal system and the remoteness of some of its regions have proven it to be an irresistible destination for al-Qa'ida militants from across the globe looking for a safer base.
That night, he decided to withdraw his army to a safer base, well below Richmond, on a portion of the James River that was under control of the Union Navy.
I was disappointed that the article does not mention any of the dozens of such groups bravely working for peace in the region; many of them use the city as a relatively safe base.
It was perfectly clear back in 2001: the overthrow of the Taliban and the denial of Afghanistan as a safe operating base for al-Qa'ida.
