1. belief, feeling, impression, notion, opinion

a vague idea in which some confidence is placed

Example Sentences:
'his impression of her was favorable'
'what are your feelings about the crisis?'
'it strengthened my belief in his sincerity'
'I had a feeling that she was lying'

• belief
• feeling
• impression
• opinion

2. notion

a general inclusive concept

3. notion, whim, whimsey, whimsy

an odd or fanciful or capricious idea

Example Sentences:
'the theatrical notion of disguise is associated with disaster in his stories'
'he had a whimsy about flying to the moon'
'whimsy can be humorous to someone with time to enjoy it'

• whim
• whimsey
• whimsy

4. notion

(usually plural) small personal articles or clothing or sewing items

Example Sentences:
'buttons and needles are notions'