Sentence examples similar to this is possibly conceivable from inspiring English sources

This is possibly the worst insult.

This is possibly surprising.

This is possibly the irony of Gujarat.

This is possibly the riskiest step.

This is possibly the most important.

This is possibly the most important step.

This was possibly a futile hope.

Surely this statement is possibly true.

A distinct anteromotorism as it is present in Hymenoptera, Trichoptera, "higher" Lepidoptera, and Diptera is possibly ancestral in Holometabola, but it is conceivable that this condition has evolved (secondarily?, see above) several times independently (e.g., almost equally sized pterothoracic segments in non-glossatan Lepidoptera).

Possibly, this is more conceivable for retrospective self-reports of perceived stress than for retrospective reports of actual life events.

This is conceivable, yes (though maybe no more so than assorted other scenarios).