supportive (adj.)

• assuring
• auspicious
• bearing
• bracing
• burdened
• cheering
• comforting
• condolent
• confirmative
• confirmatory
• confirming
• consolatory
• consoling
• corroborative
• corroboratory
• encouraging
• favorable
• heartening
• helpful
• holding
• hospitable
• inspiring
• inspiriting
• promising
• propitious
• reassuring
• relieving
• substantiating
• supporting
• sustaining
• sympathetic
• understanding
• verifying