1. (verb) disappear gradually

• blow over
• evanesce
• fade
• fleet
• pass

2. (verb) come to pass

• come about
• fall out
• go on
• hap
• happen
• occur
• pass
• take place

3. (verb) expel (gases or odors)

• breathe
• emit

1. (verb) come to pass

• anticipate
• arise
• come up
• backfire
• backlash
• recoil
• bechance
• befall
• happen
• bechance
• befall
• betide
• break
• develop
• recrudesce
• break
• chance
• coincide
• concur
• come
• come around
• roll around
• come off
• go off
• go over
• contemporise
• contemporize
• synchronise
• synchronize
• develop
• fall
• fall
• shine
• strike
• give
• go
• proceed
• happen
• materialise
• materialize
• intervene
• operate
• recur
• repeat
• result
• supervene
• transpire
• turn out

2. (verb) expel (gases or odors)

• belch
• bubble
• burp
• eruct
• bubble
• emanate
• exhale
• give forth
• force out
• radiate

1. (verb) be accepted as something or somebody in a false character or identity

• appear
• look
• seem

2. (verb) disregard

• brush aside
• brush off
• discount
• dismiss
• disregard
• ignore
• push aside

3. (verb) cause to be circulated and accepted in a false character or identity

• make pass
• pass

4. (verb) disappear gradually

• disappear
• go away
• vanish

5. (verb) expel (gases or odors)

• discharge
• eject
• exhaust
• expel
• release

1. (verb) disappear gradually

• evanescence
• evanescent
• passing

2. (verb) come to pass

• hap
• happening
• natural event
• occurrence
• occurrent

3. (verb) expel (gases or odors)

• emanation
• emission