occur (v.)

• appear
• arise
• be
• befall
• betide
• breathe
• chance
• come
• develop
• eventuate
• exist
• fall
• hap
• happen
• hit
• hold
• indwell
• inhere
• lie
• live
• materialize
• obtain
• pass
• prevail
• remain
• stand
• strike
• subsist
• surface
• transpire